Biochemical Sexual Humanoid Female Weapon (Complete)

Chapter 1 "Systematic Sexual Certification"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero Miyun. However, once R-Zero was activated, it began to destroy and harm innocent people, even killing Dr. Akiha, who created it. Shunji Uchida inherited the doctor's last wish and stopped Miyun from being permanently sealed away. He spent ten years creating his favorite bio-engineered sexual humanoid female weapon, R-1 Diana, and the R series. How to obtain sexual energy will be explained in detail later. However, R-Zero Miyun was activated again, turning the world into a purgatory. Will the future world be destroyed by R-Zero Miyun? Now, let's reveal the detailed information of the male and female protagonists.

R-1 Diana? Age: 168cm, Height: 168cm, Weight: 48kg, Measurements: 130(K).50.93. She possesses the lovely beauty of a classic beauty, is introverted and rarely speaks, always obeying orders. She has full breasts and a firm, bouncy bottom. Her sensitive areas are her vagina and pink nipples. She loves sexual energy replenishment, hates evil people, and enjoys reading comics. She has a clever mind, pink cherry lips, fair and smooth skin, thin black eyebrows, and yellow pupils. She has shoulder-length green hair and wears a maid outfit consisting of a low-cut red apron and white top that reaches her thighs, paired with cute pink panties and white stockings that reach her thighs. Wearing black flat shoes and short black gloves, he is an R-1 bio-engineered sex-type weapon with his own personality. He needs to obtain the semen of a certified person in the uterus to replenish his energy. He can use space to transform into a powerful combat weapon, but this consumes a lot of his body energy, so he has to constantly replenish his energy with sperm through sex.

Oda Shinsuke is 16 years old, 170cm tall and weighs 62kg. He has the youthful appearance of a sunny boy, but he is introverted and shy. He is gentle and considerate at heart. He loves sweets, dislikes women, and enjoys reading. He has a smart mind, thin black eyebrows, black pupils, and short black hair. He wears a black school uniform top, black school pants, white socks, and black flat shoes.

In 2060, in the Ginza district of Tokyo, Japan, Ginza had been destroyed by Mikumo, the strongest force of R-Zero, resulting in heavy casualties. It was now like an abandoned, dead city. At night, in a hidden underground research lab in the destroyed Ginza commercial building, a handsome young man named Uchida Shunji with short black hair and wearing a white research coat walked into the humanoid weapon's sealed compartment. He stood in front of a young, busty woman with short green hair, wearing a red apron and a white maid outfit, on the far left. With tears streaming down his face, he touched Diana's face with his right hand. Diana had been very happy with Shunji when he first created her, but now the plan to erase her memories and make the R-series disappear made Shunji very sad. After touching Diana's face, Shunji walked to the computer on the right and formatted her memories with tears streaming down his face. After formatting, he immediately entered the command to activate Diana.

"R-1 Diana... Activate..."

Junji painfully erased Diana's memories of living with him and playing sexual games together. Erasing the memories of his beloved woman was truly agonizing. After erasing Diana's memories on the computer on the right, he entered the activation command. The command Junji had entered came from the research lab, and a female voice said "R-1 Diana Activate." After the command was repeated, Diana, lying on the far left of the humanoid pod, opened her yellow-eyed eyes through the pod's electrical conductivity. Diana, who knew nothing of her memories being formatted, woke up, her large breasts swaying as she stood up from the pod. Junji walked to his beloved Diana and looked at her. With her beautiful appearance and alluring breasts, R-1 Diana, a bio-engineered sex-type female weapon, was the woman with the best figure and most beautiful appearance that he had spent ten years creating. Junji couldn't resist her alluring figure and used both hands to pull open Diana's low-cut maid top, revealing her full breasts, pink areolas, and swaying nipples. He then kneaded her breasts with both hands, and her super sensitive breasts immediately climaxed, squirting delicious milk from both nipples. While kneading Diana's soft breasts, Junji sucked on her right nipple that was squirting milk and introduced himself to Diana as Junji Fushi, the creator of her, and began to give her orders.

"R-1 Diana, I command you to go back fifty years to find Dr. Oda's son, Shinsuke, to get system certification and protect him and Miyun who destroyed R-Zero for the rest of your life..."

The short-haired, handsome young man in a white lab coat, Shinji, knew his days were numbered. Before dying, he fondled Diana's large breasts and sucked her pink nipples, instructing her to go back in time to protect Oda Shinji and make him Diana's certifier. Diana blushed, enjoying the pleasure of having her breasts fondled and sucked. She was a human weapon who wouldn't cry out no matter what she felt. After Shinji finished fondling and sucking, he released her and activated the time-space reversal device behind the research lab, rewinding fifty years. Diana pulled up her maid outfit, her large breasts swaying, and walked into the teleportation array, looking at Shinji. Shinji, tears streaming down his face, knew he would never see Diana again. At that moment, a beam of light pierced through the research lab wall and struck Shinji in the chest. Shinji collapsed to the ground, blood flowing from his chest, dead. Diana saw outside the wall... A woman with long black hair dressed in a shrine maiden outfit was teleported away. Meiyun used the beam of light from her right hand to kill Junji. She went to the computer, rewrote the data inside, and then activated all the humanoid bio-weapons to go back in time to hunt down Shinsuke and Diana. The time teleportation only disappeared after Meiyun stepped into the time-space array. Although Junji had sent away his beloved Diana, more humanoid weapons came to the past to hunt them down. It was a summer morning in Ginza, Tokyo in 2010. Lying on the grass in a park in the working-class residential area of Akiha High School in Ginza was Diana, a woman with long green hair, wearing a red apron, a white maid outfit, brown shoes, and black short gloves. Diana woke up and opened her eyes. She sat on the grass, her breasts swaying, and looked up at the green grass and trees, wondering if it was 2010. At this moment, a newspaper flew in front of her. Diana caught the flying newspaper with her right hand and quickly scanned the contents of the newspaper with her eye detectors.

"The time is August 2010..."

After waking up, Diana sat on the grass, her large breasts jiggling. She wasn't sure if she had arrived at the time the doctor had specified. If she was wrong, she might not be able to protect her sister and those humanoid weapons from killing Shinsuke. Just then, a newspaper floated in front of Diana. She grabbed the newspaper with one hand and scanned it with her yellow pupil detector. She immediately knew that the time was August 2010, summer. Diana knew that the time was correct, so she stood up and jumped onto a park lamp with her right foot. Some male passersby who were exercising in the park saw that this green-haired girl had practiced and could jump onto the lamp with one leap, and even jump around on it. Diana searched for a long time in the park but couldn't find Oda Shinsuke. It was four o'clock in the afternoon. Diana used her right foot to support herself on the park lamp and felt the breeze. She hadn't replenished her energy all day and was starting to feel hungry. She touched her abdomen, where her uterus was, with her right hand and began to say helplessly.

"30% remaining energy! If I don't replenish my energy soon, I'll stop functioning..."

The adorable, short-haired Diana leaned against a park lamppost, enjoying the breeze. Having not replenished her energy all day, she was starting to feel hungry. Touching her abdomen, specifically her uterus, with her right hand, she realized she only had 30% energy left. If she didn't replenish it soon, she would cease all bodily functions. Diana was very worried about what to do if she continued to deplete her energy like this. Just as she was leaning against the lamppost and couldn't find anyone, she saw a young man with short black hair, wearing a black Akiha High School uniform, sitting in front of her, reading a book. This was indeed Oda Shinsuke, the person Junji had given her. Diana had finally found the certifier, Shinji, and she could finally replenish her energy. With a blank expression, Diana leaned against the lamppost, her breasts jiggling as she jumped. However, she didn't jump properly and landed on Shinji's head with her back to him. Shinji happened to look up and saw two large peaches appearing in the sky. Curious, he looked at the two peaches in the air and said...

"How come there are two huge peaches flying in the sky... and they're wearing pink things..."

Shinsuke was sitting in a chair reading when he looked up and saw that Diana had miscalculated her landing method, and her entire large, peach-shaped buttocks were pressing down on his head. Shinsuke watched as these two large peaches got closer and closer to him, and they were wearing pink things—Diana's pink panties. Diana's cute, perky buttocks and pink panties were pressed against Shinsuke's face. Shinsuke immediately felt the warmth of the woman and the fragrance of her flesh. Diana, having miscalculated the distance, quickly removed her large buttocks from under Shinsuke's face and looked directly at him. The park watched as this green-haired, busty girl in a white maid outfit fell from the sky and landed on the man. Shinsuke blushed and sat back in his chair, glaring at the stinky woman who dared to press her pink panties and large buttocks against his face, wondering what she had to say. Diana blushed and lowered her head to apologize to Shinsuke and began to speak.

"Shin-suke, I'm so sorry. I'm Diana, a bio-engineered humanoid sex weapon from fifty years in the future! I've come here to ask you to become my certified one and to protect you forever..."

Diana bowed her head and apologized to Shin-suke, explaining that she was a bio-engineered humanoid sex weapon from the future, sent to Japan to undergo system certification with Shin-suke, and would protect him forever. Shin-suke, sitting on a park bench, listened to the green-haired, big-butt girl's words and realized she was just a chuunibyou (middle school syndrome) fanatic claiming to be a humanoid sex weapon from the future. He dismissed Diana's words as just chuunibyou and didn't believe she was a real humanoid weapon. Shin-suke touched his head with his right hand, looking utterly incredulous. Diana, seeing Shin-suke's disbelief, didn't know what to do. Her energy was too low, so she had to deal with this first. Diana, her large breasts jiggling, used both hands to pull up her maid outfit skirt, revealing cute pink panties, and said expressionlessly to Shin-suke...

"Shinsuke-sama, please make love to me! Only then can I get system certification..."

Knowing Shinsuke didn't believe her, and with her energy levels too low—she was in danger if she didn't replenish it—the green-haired Diana, her large breasts jiggling, used her hands to pull up her maid's skirt, revealing her cute pink panties to Shinsuke. She demanded to make love to him, saying it was necessary for her system certification. Shinsuke, blushing, stared intently at the pink panties of the big-bottomed Diana. This was the first time he'd seen women's panties; they were incredibly cute and alluring. The already hot summer heat made Shinsuke sweat even more. It was rush hour, and many people were gathered in the park... The men in the park saw a green-haired girl in a red apron and white maid outfit pulling up her skirt to show a male student. Thinking it was a pornographic film, a group of men immediately took out their phones and cameras to photograph Diana's exposed pink panties. However, at this moment, a petite girl with long red hair and a white dress suddenly stood in front of Diana, pulling open her maid's top with both hands. Her full breasts, pink areolas, and pink nipples were revealed. The girl then rubbed her breasts with both hands, and Diana immediately climaxed, with delicious milk gushing from her pink nipples. The girl looked at the milk gushing from her nipples and leered at Diana.

"R-1 Diana's breasts are so soft, firm, and bouncy! I'm Ein from R-17, here to kill you and Oda Shinsuke, a new humanoid weapon..." A

mysterious red-haired girl suddenly appeared in front of Diana, kneading her breasts with both hands. Diana immediately climaxed as her breasts were kneaded, and delicious milk spurted from her nipples. The humanoid girl Ein stared at the old-style weapon with its nipples spraying milk wildly, also telling her that she was there to kill her and Shinsuke, and sat down in the chair. Shinsuke was also sprayed in the face with Diana's breast milk. Seeing a woman's breasts for the first time was really amazing. He'd discovered another chuunibyou (middle school syndrome) girl. Diana blushed as Ein rubbed her breasts, enjoying the hot, pleasurable sensation. Ein, seeing the old model, felt his breath catch in his throat and couldn't even make a sound. Ein continued to rub Diana's large breasts, which were spraying milk wildly. She hated large breasts and deliberately wanted everyone to continue filming her to embarrass her. Many men, seeing this green-haired, large-breasted girl finally revealing her breasts and even having milk flowing out, naturally... Not wanting to miss this opportunity to continue filming, Ein began her work. She released Diana's ample breasts with both hands, then turned and slashed at Shinsuke with a glowing hand chop. Shinsuke, sitting in his chair, was startled by the girl's murderous intent. The half-naked Diana, her breasts swaying, jumped in front of Shinsuke, struck by Ein's chop and sent flying to the right, crashing into a tree. Shinsuke, seeing that Ein's strength wasn't just a chuunibyou's fantasy, finally believed them. He immediately ran to Diana's side and helped her up. Diana had only 5% energy left, and if she didn't replenish it, she and Shinsuke would die. She immediately stood up and used both hands to pull down her pink panties to her thighs in front of Shinsuke, urging him to quickly insert his penis or they would die. Shinsuke looked at Diana's back and saw her peach-shaped buttocks and cute labia. It was the first time he had seen a woman's pink bud-like private parts, and it was amazing. He didn't care about anything else and pulled down his pants in front of everyone, revealing a thick, long penis that was more than ten centimeters long and as thick as an arm. Diana turned around and saw Shinsuke's long and thick penis, and she was very excited. Shinsuke used his right hand to grab the head of his penis and push it against Diana's buttocks and labia, and then thrust it in with one breath. The head of his penis advanced into her vagina and kissed the depths of her uterus. Shinsuke blushed and excitedly experienced this for the first time, saying,

"This is the body of a girl with big buttocks... It's so tight and feels so good..."

Shinsuke still didn't believe that the two were humanoid weapon girls, and thought she was... They were just silly, immature girls playing around, until Ein attacked her. Diana, trying to protect him, was knocked away and crashed into a tree. Shinsuke, a gentle man, finally decided to protect her wholeheartedly, so he pulled down his pants, revealing his long, thick penis, over ten centimeters long, and inserted it into Diana's cute little hole, pressing the glans deep into her uterus. He felt the tightness and warmth of the girl's body. Diana blushed as she felt the glans of Shinsuke's super-long, thick penis reaching her uterus. At that moment, her yellow pupils... Kong emitted a white light for system authentication, then blushed as she felt the hot, pleasurable sensation of being penetrated. She even pulled Shinsuke's hands to rub her large, milk-producing breasts. Shinsuke rubbed Diana's milk-producing breasts while twisting his waist and thrusting his penis into her comfortable rear position. The park passersby finally got to see the green-haired, big-breasted girl being penetrated; once he was done, it would be his turn to film the process and have his turn. Ein stood in front of the two, deliberately not attacking, wanting to witness the energy replenishment process of this old-fashioned sex machine. Shinsuke kept twisting... After thrusting his penis into Diana's comfortable vagina for more than ten minutes, he finally couldn't hold back any longer and ejaculated his virgin semen with the head of his penis against her cervix. The huge amount of semen shot into Diana's uterus and was absorbed and released by her uterus. Not a single drop of semen flowed out from the junction of his penis and her labia. Diana, who had replenished her energy, stood up. Shinsuke's big penis was still inserted in her body. She rubbed her breasts, which were flowing with milk, with both hands. Diana stood up and spoke to Shinsuke, who was pressed against her back.

"Diana's energy has been replenished to 100%! Entering battle mode! Master Shinsuke, please hold on tight!"

Diana, with her blue hair, exposed chest, and Shinsuke's large penis penetrating her vagina, had finally replenished her energy to 100% and was about to enter battle mode. She urged Shinsuke to hold her tightly. Shinsuke, having been filmed by everyone's phones for so long, didn't want to be seen as a pervert anymore. Just as he was about to pull out his penis, Diana, her breasts jiggling and dripping with milk, rushed towards Ein. Reaching Ein, she exposed her bare buttocks and kicked him into the air with her right leg. Ein didn't retaliate, wanting to see what powerful weapon she had. As Ein was kicked into the air, Diana immediately conjured a white laser cannon in her right hand, locking onto the red-haired Ein in the sky. She pulled the trigger and fired the laser beam, using Diana's signature long-range skill.

"Laser Cannon, Fire!"

Shinsuke, who was carrying Diana from behind, was like a bear carrying a cub. Shinsuke's large penis was still pressed tightly against her uterus, ready to replenish her energy at any time. Diana, blushing with pleasure, was still able to carry him and rush to the little girl Ein. Her breasts, swaying and dripping with milk, swayed, and she kicked the girl away with her bare buttocks and beautiful legs. As soon as she was kicked away, the white laser cannon that had transformed in her right hand aimed at Ein in the sky and fired a powerful laser beam, using her best long-range skill. The powerful laser beam hit Ein, who fell to the ground but immediately stood up. Diana used fifty units of energy. The laser cannon only tore her clothes, which shows the difference between the new and old models. With her clothes torn at the shoulder, Ein conjured a long sword in her right hand and charged at Diana, trying to slash her with the sword. Diana grabbed Shinsuke's legs from behind and flew into the sky, dodging Ein's sword. Ein saw how lame the R-1 was and ran away. She was too lazy to chase after it and left it to the other sisters. The people who were recording with their phones in the park dispersed when they saw that the green-haired big-breasted girl was gone. The naked Diana flew in the air with Shinsuke on her back. They flew away from the park. At this moment, Diana turned around and made a request to Shinsuke.

"Master Shinsuke! Diana's energy is down to 40%... Please replenish my energy one more time, Master..."

Diana, wearing a red apron, white maid's pink panties pulled up to her thighs, almost naked, asked Shinsuke behind her to replenish her energy when she saw that she only had 40% left. Shinsuke was surprised that she had only fired one laser cannon shot and it was already depleted so quickly. He thought that doing this every day would really kill her, because Diana's flying skills also consumed energy. Shinsuke was helpless, but this big-butt girl... He was already his human weapon, so he had no choice but to continue. Using his already inserted, massive penis, he began to vigorously thrust into Diana's cute little hole, while kneading her large, milk-slicked breasts with both hands. He continued thrusting into her while telling Shinsuke the way home. Diana also loved Shinsuke's large penis, blushing as she experienced the almost maddening pleasure of being thrust into. Although it felt amazing, she didn't make a sound. Just before they reached home, Shinsuke's penis glans, pressing against the depths of Diana's uterus, ejaculated white semen—his second ejaculation of the day. Like a liquid, it was absorbed by Diana's uterus, replenishing her body's energy. Diana carried Shinsuke to the door of a two-story Japanese-style house in a working-class area near Akiha High School. There was a house number with the name Oda on it. Shinsuke was finally able to pull out his penis and put his pants back on. As Diana dressed and pulled up her underwear, she saw the Japanese-style house where the owner lived. Shinsuke took her inside, saying that from now on they would live together. That night, Diana cooked dinner for Shinsuke and told him the purpose of their visit and how she created him. Regarding Dr. Fu's work, Shinsuke thought Fu was amazing for creating something so human-like. Diana, a humanoid weapon, didn't need to eat; she only ate a feast of semen from her vagina. After Shinsuke finished eating, Diana washed the dishes for him. He went to the bathroom to take a shower first. Not long after he went in, the naked, big-breasted, big-butt Diana also came to the bathroom. Shinsuke was startled when he saw her naked body, even though he had already seen her. Diana lathered her body with soap and had Shinsuke sit on a small chair. She rubbed her large breasts against Shinsuke's back and spoke to him.

"Master Shinsuke! Does it feel good to have Diana's breasts wash your back...?"

Unexpectedly, Diana sneaked in again while Shinsuke was taking a bath. She made Shinsuke sit on a small chair, lathered her breasts with soap, and then rubbed her ample bosom against Shinsuke's back. Shinsuke found it soft and comfortable as Diana's breasts rubbed against his back. He never expected this humanoid weapon, this big-butt girl, to use such a washing method. After washing his back, Diana washed his front as well. Shinsuke felt incredibly happy, like he had a big-butt girl doing housework for him. After the bath, Diana, wearing only pink panties, dried his hair. After drying his hair, Shinsuke put on a black short nightgown and sat on a book on the left side of the second-floor room, reading. Diana sat on the bed, holding her favorite book from the bookshelf. She was reading the Dragon Ball manga, and the fact that this big-butt girl's butt was big enough and she was only wearing pink panties made it hard for her to concentrate. Diana's habit was to only wear her maid outfit when going out; otherwise, she was half-naked and only wearing pink panties. Shinsuke stayed up until 10 pm before going to sleep. Of course, he was tired after ejaculating on the big-butt girl twice and still having to read. When Shinsuke was about to get into bed, he saw Diana lying on his bed and asked him to use her as his bed. Shinsuke didn't expect this big-butt girl to take over his bed and ask him to lie on her to sleep. After saying that, Diana closed her eyes and entered standby sleep mode. Shinsuke saw that the big-butt girl was asleep, so he had no choice but to lie on her, bury his head in her ample breasts, and smile as he looked at the big-butt girl Diana's cute sleeping face.

"Big-Butt Girl Diana's sleeping face looks just like a real girl! Are they really bio-engineered humanoid female weapons...?"

Shinsuke buried his head in Diana's ample breasts, looking at her sleeping face, which looked just like a girl's. It was hard to tell that they were bio-engineered weapons. Shinsuke fell asleep after looking at Diana's sleeping face. Today was the first time he had met Big-Butt Girl Diana. He was pressed down by her big butt and saw her panties and naked body. Diana also took Shinsuke's virginity with her long and thick penis and made him ejaculate twice in one day, which made him feel very tired. He also made a three-point agreement: he would only provide her with two semen replenishment meals a day, otherwise he would be exhausted if he had to come three times a day. The rule could only be broken under specific conditions. Big-Butt Girl Diana also fought with her sister Ein today. Ein was very strong and Diana's strength could not hurt her. Ein let Diana go. In the future, there will definitely be humanoid weapons led by Zero to come and find them. Shinsuke and Diana have to be careful when facing these humanoid weapons.

Chapter Two: "How Big Can a Big-Butt Girl's Butt Be?"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero, named Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1, Deana, and the R series. Shunji awakened Deana, sending her back to the past to help Shinsuke and destroy Miyun. Deana returned to Japan fifty years ago and was certified by Shinsuke. However, a new type of humanoid, Ein, appeared, tested Deana's power, and then returned. What changes will occur in Deana and Shinsuke's lives this time?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, it's time to get up..."

Shinsuke, who had been lying on Diana's voluptuous breasts, was startled awake by the sight of the areolas and nipples beside his head. Sitting on the bed, he recognized the girl—a large-breasted, big-butt girl wearing only pink panties—as Diana. Shinsuke reached out his right hand to shake her awake. Diana, who had been in standby mode, restarted and began scanning her surroundings to confirm her current master, Shinsuke. After confirming, she bowed and greeted him. Shinsuke, seeing that the big-butt girl was finally awake, was about to go to the bathroom to wash his face when Diana, half-naked with her large breasts and pink areolas and nipples, stood up, her back to Shinsuke, and used both hands to pull her pink panties down to her thighs. Then, turning her back to Shinsuke, she blushed and made a request:

"Diana only has 40% energy left! Please, Shinsuke-sama, replenish it for me..."

Diana, with her back to Shinsuke, bent over, her white panties pulled down to her thighs, wanting Shinsuke to "replenish her energy." Actually, 80% of her desire was just to be penetrated by his large, satisfying penis; she was deliberately deceiving him. Shinsuke remembered the three rules he'd made with Diana the day before—he had to "feed" her twice a day. Having no other choice, he took off his pants, revealing his invincible, living penis. Who wouldn't get hard after seeing Diana's naked body? Perfect for releasing his pent-up desires. Shinsuke walked behind Diana, using his right hand to grasp the glans of his penis and press it against her labia. After inserting his penis, the glans kissed the depths of her cervix. Once inside, Shinsuke began to twist his waist, thrusting his penis in and out of Diana's cute little hole, feeling how tight it was. He also rubbed Diana's big buttocks with both hands; her buttocks were really big when she bent over, making him laugh as he did so. Diana blushed, feeling incredibly comfortable being penetrated there. Shinsuke, after vigorously thrusting his penis into Diana's cute little hole for less than ten minutes, ejaculated with his glans against her cervix. The ejaculated semen was completely absorbed by Diana's uterus, not a drop spilling out. After Shinsuke pulled out his penis, he went to the bathroom to wash up. Diana was still lying on the floor of the room, blushing and panting, still feeling the pleasure of the orgasm from being penetrated. After catching her breath, she stood up, pulled up her pink panties, and then took her signature outfit—a red apron and a white maid outfit—from the bedside table and put it on. After dressing, she immediately went downstairs to prepare breakfast. Diana used a recipe she had learned yesterday to make a Japanese congee dish in the kitchen. After finishing, she made a bowl and placed it on the dining table. Not long after, Shinsuke, wearing a black school uniform and carrying a schoolbag, came downstairs and sat on a chair in the dining room. Diana sat on the other side. Shinsuke began to enjoy the breakfast she had made, praising it as delicious.

"Your congee is quite delicious! No wonder you're called the 'Big-Butt Girl' from the Biohazard arc..."

Shinsuke sat in the dining room, enjoying the congee breakfast Diana had made. He praised her, though he still teased her about her "big butt." Even though Diana was praised, was she really a "big-butt girl"? Shinsuke never called her by her name, only this pesky nickname. After Shinsuke finished eating, Diana went to the kitchen to clean up for him. After they finished, Shinsuke and Diana left the house together. There were many students walking along this road. Since Shinsuke couldn't send Diana to school, he told her about it here.

"Diana, I'm going to school now! Are you going to wait for me at home...?"

Shinsuke, dressed in a school uniform, told Diana, who was getting his lunchbox, that he was going to school and asked if she wanted to wait for him at his house. Diana was a bio-engineered humanoid female weapon, and Shinsuke was the certified one she protected and who provided her with power. Of course, she had to be with him at all times to ensure his safety. Otherwise, it would be very dangerous if her sisters came looking for Shinsuke again. Diana disagreed with going with him and jumped onto a nearby lamppost, her large breasts jiggling. Shinsuke saw that she was going and had no choice but to lead the way. Diana jumped on the lamppost as they walked, and after a ten-minute walk, they arrived at Akiha High School. Shinsuke went into a classroom on the first floor to attend class. Diana placed the lunchbox on the ground on the roof of the school. She bent down and squatted on the roof railing, enjoying the comfortable breeze and looking down at the beautiful scenery of the school as she spoke.

"The academy has such beautiful mountain scenery, it's wonderful! I really want to be a student and go there to see it..."

The cute green-haired Diana squatted on the roof railing, looking down at the scenery of the academy, which made her want to go in and study. Of course, she was a humanoid female weapon and couldn't go to school. Diana stood on the railing and squatted there, leisurely watching the scenery for four hours. When it was lunchtime, Shinsuke came to the roof to eat his bento. Diana made a pork rib bento for lunch. After eating, Shinsuke sat on the roof chair to rest. He looked at Diana's cute big butt with her back to him and couldn't help but stretch out his hands and rub Diana's cute big butt through her pink panties and started to tease her.

"Big-butt girl's butt is so soft and bouncy! As soon as you bend over, your whole butt gets even bigger..."

Shinsuke sat on the chair on the rooftop to rest, taking the opportunity to secretly touch Diana's big buttocks, who was standing in front of him with her back to him looking at the scenery. He found her big buttocks to be very soft and bouncy, and that they would get even bigger when she bent over. Shinsuke kept rubbing her big buttocks with both hands while teasing her. Diana blushed and was almost unable to stand having her buttocks rubbed. Shinsuke used both hands to pull Diana's small buttocks apart to her thighs, wanting to play the game that Diana's big buttocks had pressed against her yesterday. She grabbed her big buttocks with both hands and pressed them against Shinsuke's face. Diana's big buttocks, bent over, pressed against Shinsuke's face, and he even used his tongue to lick her pink clitoris and said to her in an amusing way.

"This is what it felt like to be pressed down by that big-butt girl yesterday! Watch my pussy-licking offensive—"

Shinsuke playfully pressed Diana's buttocks against his face, just like yesterday, feeling the same comfortable sensation as yesterday when the big-butt girl pressed his face against him. He even used his tongue to lick Diana's pink clitoris. Diana felt incredibly comfortable and pleasurable just having her big buttocks, which she hated being called "big," pressed against Shinsuke's face, while he kept licking her clitoris. Shinsuke climaxed shortly after licking her pink clitoris. After her orgasm, Diana blushed, her large breasts shaking wildly as she lay on the ground, panting heavily. Clear love fluid was still flowing from Diana's vagina. Shinsuke stood up and found the sight of Diana's vagina flowing with love fluid very interesting. Since class had started, he went back to the classroom first. Not long after, Diana got up and put on her panties. She thought Shinsuke was annoying for touching her butt. Diana jumped back onto the railing and squatted there, cursing Shinsuke for being a pervert who kept touching her butt. At this moment, a busty girl with short black hair and wearing a blue bodysuit appeared behind Diana. She secretly reached her right hand into her pants and into her pink panties, rubbing her big butt with her right hand while saying something.

"R-1 sister Diana's big butt is indeed as big as your master said! Hello, I'm Jun from R-6, here to make your butt even bigger!"

Jun, with short black hair, squatted behind Diana, reaching her right hand inside Diana's pink panties, repeatedly rubbing her cute little bottom. Diana's cute butt blushed immediately after being rubbed, her body sensors beeping. She turned around, blushing, and scanned her body with a scanner. Sure enough, it was a humanoid female weapon just like her. However, this was the first time Jun had put her pink panties on Diana's head. The naked Diana was being touched on the buttocks and had her panties removed, which made her very uncomfortable. Enraged, she stood up on the railing, conjuring a longsword in her right hand. She leaped down, her ample breasts swaying, and swung the sword at Run. Run, the fastest of all the sisters, dodged Diana's sword strike to the right and moved behind her, using her glowing hand to slash at the back of Diana's neck. Diana, still conscious on the ground, was easily dealt with by Run, who excelled at stealing her opponents' abilities. Diana thought, "This is bad; Run will kill me." At that moment, Run walked to Diana's side, using her left hand to hold her up, while her right hand repeatedly slapped Diana's cute, big buttocks, excitedly telling her...

"Today I'm going to make my sister's big butt the biggest in the universe..."

Run, with short black hair and wearing a black bodysuit, held Diana's body up with his left hand while repeatedly slapping her cute, big butt with his right, wanting to make it the biggest in the universe. Poor Diana, blushing, was constantly being slapped on the butt by Run's right hand. Although it hurt, she really wanted her butt to get bigger, knowing that Shinsuke would laugh at her for the rest of her life. This added to the pain. Run continued slapping Diana's cute, shiny butt with his right hand, making a racket on the roof for thirty minutes... With her bare bottom now bright red, Diana smiled and jumped onto the railing. Using her right hand, she released the restraints binding her body. Wearing a pink headband, Diana stood up and saw her large, red bottom, making her very shy. She quickly pulled the headband back up. When school was over, Diana went home with Shinsuke, too embarrassed to speak. Shinsuke immediately went to take a shower. In Shinsuke's room, Diana moved a mirror to the center of the room, took off her pink panties, bent over with her back to the mirror, and touched her large, red bottom with her right hand, blushing as she said,

"The place where Jun hit me is all red! Is my bottom really that big...?"

The adorable, short-haired, green-haired Diana moved a mirror to the center of Shinsuke's room, took off her pink panties, bent over with her back to the mirror, and blushed as she touched her large, red bottom, which had just been spanked by Run. She wondered if her bottom really was that big. Diana had been constantly told she had a big bottom these past few days, which made her very self-conscious. Seeing her own bottom, which seemed quite large, she didn't know what to do. Just then, Shinsuke, who had finished showering and was wearing white pajamas, came out and saw Diana looking at her big bottom in the mirror. He told her that her bottom was big enough and she didn't need to look anymore. Diana was shocked by Shinsuke's words. Her face flushed crimson. Diana immediately pulled up her panties, her large breasts jiggling as she left the room. That night, Diana cooked a delicious steak for Shinsuke. After dinner, Diana also needed Shinsuke's semen feast. Diana took off her clothes and sat on the sofa in the living room. Shinsuke took off his pajama pants, sat Diana facing him, and picked her up, inserting his large penis into her vagina. While playing the insertion game, he kneaded her large breasts with both hands. Diana blushed as she felt the comfortable sensation of her vagina being pushed against and her breasts being kneaded. She also thought about her battle with Jun that day and began to tell Shinsuke.

"The R-6 Run I met this afternoon was probably the fastest of all the sisters! Even my detector couldn't keep up with her speed..."

Diana was being carried to the sofa by Shinsuke with her back to him. While Shinsuke's large penis was thrusting into her cute little hole, he was kneading her large breasts with both hands. Diana, who loved large penises, felt incredibly comfortable as Shinsuke's large penis kept pounding into her cervix. After all, although they were bio-engineered humanoid female weapons, their bodies were like those of ordinary women; they could feel pleasure and orgasm. However, Diana and Miyun, being new to this, had less developed sensory organs than the others. Diana, blushing and enjoying the pleasure of being penetrated, told Shinsuke about her battle with Run that afternoon. Run was the fastest of all the sisters, Shinsuke told Diana. "I need to inform him about these things earlier in the future," Shinsuke said. After that, he continued to thrust his large penis into Diana's tight and comfortable vagina for more than ten minutes, and the two of them climaxed. Shinsuke's penis head pressed against Diana's uterus and released white semen. All the semen was completely absorbed by Diana's uterus, not a drop was spilled, which was very convenient as there was no need to clean up. After absorbing the energy, Diana immediately grabbed the pink panties on the sofa and put them on. She rushed to his room to read comics. Shinsuke was also studying diligently. After finishing her book, Diana fell asleep on Shinsuke's single bed. Shinsuke buried his face in Diana's large breasts, grabbed them with both hands, and looked at her cute sleeping face while talking to her in a funny way.

"Diana's sleeping face is getting cuter and cuter! Why do I feel this flutter in my heart..."

Shinsuke, with short black hair and wearing a white short nightgown, buried his face in Diana's ample breasts, grabbing them with both hands as he looked at her cute sleeping face. He found her sleeping face incredibly adorable, but looking at Diana's sleeping face, he actually felt a flutter in his heart. Shinsuke thought that Diana was a human weapon who loved dicks and semen, so how could he possibly like her? However, he already had feelings for Diana. He treated her intimately like a cute girl, and they even did sex games like couples would. Whether Shinsuke had truly fallen in love with the big-butt, big-breasted girl Diana, will be explained to everyone later. Of course, a peaceful life cannot last forever. Soon, a character who would surprise everyone will appear and threaten Shinsuke and Diana's life.

Chapter Three: "Dangerous Samurai Girl"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1 Diana, and the R series. Diana and Shinsuke had a very happy day, but her large buttocks bothered Diana. However, she encountered R-6 Jun and was spanked by her. What kind of enemies will this bio-engineered sex humanoid female weapon encounter this time?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, you should get up too..."

Shinsuke, who was lying on Diana's ample breasts, was startled awake when he saw the areolas and nipples of the breasts next to his head. Sitting on the bed, he saw that the big-butt girl with large breasts wearing only pink panties was Diana. Shinsuke reached out his right hand to shake the big-butt girl to wake her up. Diana, who had entered standby mode, restarted and began to scan her surroundings to confirm her current certified master, Shinsuke. After confirming, she bowed her head and greeted Shinsuke. Shinsuke saw that the big-butt girl was finally awake and was about to go to the bathroom to wash his face when Diana, half-naked with her large breasts, pink areolas and nipples, stood up with her back to Shinsuke, swaying her breasts. She used both hands to pull her pink panties down to her thighs, then turned around and blushed as she asked him to say something.

"Diana only has 40% energy left! Please, Shinsuke-sama, replenish it for me..."

Diana, with her cute back to Shinsuke, bent over, her white pants pulled down to her thighs, asking Shinsuke to replenish her energy. Actually, she still had 80% energy left and just wanted to be penetrated by a large, comfortable penis, deliberately lying to him. Shinsuke remembered that he had made a three-point agreement with Diana yesterday to feed her twice a day, so he had no choice but to take off his pants and reveal his invincible, living penis. Who wouldn't get hard and want to have sex after seeing Diana's naked body? It was a good opportunity to release his pent-up desires. Shinsuke walked behind Diana, using his right hand to grasp the glans of his penis and push it against Diana's labia. After inserting his penis, the glans kissed the depths of her uterus. After the penis was inserted, Shinsuke began to twist his waist, thrusting his penis in and out of Diana's cute little hole, feeling how tight it was. He also used both hands to rub Diana's big buttocks. Her buttocks were really big when she bent over, making him laugh as he did it. Diana blushed, feeling incredibly comfortable as her penis was being pressed against her. Shinsuke thrust his penis vigorously into Diana's cute little hole for less than ten minutes, then ejaculated, his glans pressing against her cervix. The ejaculated semen was completely absorbed by Diana's uterus, not a drop spilling out. Shinsuke pulled out his penis and went to the bathroom to wash. Diana was still lying on the floor, blushing and panting, still feeling the pleasure of her orgasm. After catching her breath, she stood up, pulled up her pink panties, and then grabbed her signature red apron and white maid outfit from the bedside table and put them on. She immediately went downstairs to prepare breakfast. Diana used a recipe she had learned the day before to make a congee dish in the kitchen. She made a bowl and placed it on the dining table. A short while later, Shinsuke, wearing a black school uniform and carrying a schoolbag, came downstairs and sat in a chair in the dining room. Diana sat on the other side. Shinsuke began to enjoy the breakfast she had made, praising it as delicious.

"Your congee is quite delicious! No wonder you're called the 'Big-Butt Girl' from Biohazard..."

Shinsuke sat in the dining room, enjoying the congee breakfast Diana had made, and praised her. However, he still teased her about her "big butt." Even though Diana was praised, was she really a "big-butt girl"? Shinsuke never called her by her name, only this pesky nickname. After Shinsuke finished eating, Diana went to the kitchen to clean up for him. After cleaning, Shinsuke and Diana left the house together. Many students were walking along the road, and Diana, as usual, jumped onto a lamppost and followed behind. Shinsuke went to Akihachi High School for class. Class time ended quickly, and it was time to go home. Diana, her large breasts swaying, followed behind Shinsuke. On the way home, still nothing unusual happened, and he started idly saying,

"It's almost evening now, and still no one's around... Big-Butt Girl..."

Shinsuke, a handsome young man with black hair, walked listlessly back from school. The lack of visitors made him feel bored, unlike yesterday when at least someone came. Diana followed behind Shinsuke, and no one approached. Her body's sensors would activate if anyone came near; Diana was Shinsuke's most important protector. Suddenly, a busty girl with long black ponytails appeared behind them, wearing only a full-body black mesh chainmail and a katana strapped to her chest. She drew the katana from her back and, with a half-turn, unleashed her ultimate attack, her breasts jiggling as she faced Shinsuke and Diana.

"Crescent Moon Slash—"

A girl with long black ponytail, wearing only black mesh chainmail, drew her katana with her right hand. Her breasts jiggled as she half-turned her body and unleashed her signature move, Crescent Moon Slash. The girl's sword slashed in a circle towards the two of them from behind. Diana felt the familiar detection behind her and immediately used her right hand to grab Shinsuke and jump forward, dodging the girl's Crescent Moon Slash. Shinsuke and Diana were amazed to see that the girl who had sheathed her katana was really powerful. Although Diana had no memory, she seemed to remember who she was, but the erased memories were still blurry. She was a good friend who used to train with her. Then, the girl, who was holding the katana in her right hand, began to introduce herself to the two of them with a blank expression.

"I am Shigure, a bio-engineered humanoid female weapon... R-2! I've come to kill... Oda Shinsuke and R-1's Diana..."

The cute Shigure, speaking slowly, began to announce her name and her mission to kill Shinsuke and Diana. Shigure held a katana in her right hand. Shinsuke, standing to the side, was surprised that this cute ponytail girl was so powerful. It seemed her swordsmanship must be superb. Big-butt girl, be careful. Meanwhile, Diana was still using her bodily functions to think about who she was. At this moment, she finally remembered who the other person was. It was amazing that she could remember her erased memories. Diana walked up to Shigure, swaying her ample breasts, and hugged Shigure tightly with both hands, revealing a sweet smile as she happily told Shigure what had happened.

"Shigure, I finally remember! Those days we spent practicing swordsmanship together were so happy..."

Diana, with her short green hair, finally remembered that she and Shigure were good friends who practiced swordsmanship together. She hugged Shigure tightly to her ample bosom. Shigure, just like before, stared blankly for a moment, but without any reaction, she gripped the katana on her back and slashed at Diana. Diana immediately jumped back, dodging Shigure's blade. She looked at Shigure's expression; it seemed that Shigure, like her, had had her memory erased. Alright, having decided to restore her memories, Diana, her ample breasts swaying, charged towards Shigure. Then, she used her right leg to kick Shigure into the air, minimizing damage to nearby buildings. Shigure, airborne, looked at Diana on the ground, wondering what to do. Diana, wanting to quickly restore Shigure's memories, conjured two white energy cannons in her hands. Combining the cannons, she unleashed their power, aiming a powerful yellow beam at Shigure in the air, using Diana's trump card technique—the bio-engineered humanoid sex weapon.

"Destructive Energy Cannon—"

After kicking Shigure into the air, the big-butt girl, Diana, conjured two white energy cannons in her hands. She combined the two cannons and fired a powerful yellow energy beam at Shigure in the sky, unleashing her trump card, the Destructive Energy Cannon. The massive yellow energy cannon hurtled towards Shigure from the ground. Shigure immediately defended with her swords, but the beam was so strong that it charred her body, shattering her mesh chainmail and revealing her full, voluptuous breasts, pink nipples, and black pubic hair. Her pubic hair and cute little hole were revealed. Shinsuke saw that her naked figure was no less impressive than that of the big-butt girl. However, Diana noticed that even though she had used her strongest attack, it hadn't caused Shigure much damage. Shigure, who had trained with her in the past, was really powerful. Diana's destructive energy cannon had used up 80% of her energy, and she needed to replenish the remaining 20%. So she sent two energy cannons back to her. She used both hands to pull her pink panties down to her thighs. Diana, who was bending over and showing off her cute big butt, blushed as she looked at Shinsuke next to her and said something to him.

"Master Shinsuke! Diana only has 20% energy left, please replenish it for me..."

The cute, big-butt girl, Diana, only had 20% energy left. She pulled her panties down to her thighs with both hands, bent over to show off her cute big butt, and asked Shinsuke to replenish her energy. Shinsuke, seeing that she needed him to replenish her energy again, and seeing that no one was around, immediately rushed behind Diana, pulled down his pants, and pressed his big penis against her labia, inserting it into Diana's vagina, the glans reaching deep into her uterus. Then he began to knead her large breasts with both hands, twisting his waist and vigorously thrusting his big penis into Diana's comfortable little hole. Diana blushed as the big penis thrust in and out, feeling the pleasure. The pleasure was intense; she truly loved Shinsuke's large penis. Shigure, watching Shinsuke from above, understood that he was Diana's certifier. She drew her katana, which possessed a dark power in the air. Shinsuke thrust his penis violently into Diana's vagina for over ten minutes before finally ejaculating, sharing a climax with Diana. His glans pressed against Diana's uterus, releasing a burst of white semen. The white semen was completely absorbed by Diana's uterus, replenishing her energy. At this moment, Shigure, her breasts swaying, charged down from the air towards the two on the ground, slashing at them with her right katana, unleashing her signature finishing move.

"Full Moon Dark Wave---"

Shigure, naked and with her clothes torn, plump breasts swaying, plumped down from the sky. She landed on the ground, drew her katana from her right hand, and slashed at the two of them, unleashing Shigure's invincible ultimate technique, the Full Moon Dark Wave. The powerful energy, like a black hole, sent the two flying. Shinsuke's large penis was still inserted in Diana's vagina. He carried her and flew into the street, using himself as a shield. Diana saw Shigure walking towards them. Shigure walked up to the two of them, holding her katana with both hands, ready to stab them. However, Shinsuke used his hands to massage Diana's large breasts. Soon after, she climaxed, and delicious milk spurted from both sides, spraying into Shigure's eyes. He used Shinsuke's ultimate killing technique, the Milk Divine Skill.

"Big-Butt Girl's Milk Mist Rain---"

Shinsuke rubbed Diana's large breasts with both hands. After a while, her breasts climaxed, and delicious milk sprayed out from both sides, spraying into Shigure's eyes. Shinsuke used his killer milk technique, "Big-Butt Girl's Milk Mist Rain." While Shigure's eyes were being used, Diana stood up and punched Shigure with her right hand, sending him flying. Shigure was knocked into the wall next to her, hitting her head on the wall. After a while, she woke up and the data began to be rewritten. Then she saw Diana, who was almost naked in front of her. She immediately rushed over and hugged her, saying something to her.

"Diana! Long time no see..."

Shigure, who speaks very slowly, has only just regained consciousness and her memories. Diana, almost naked, is overjoyed to see Shigure and finally remember who she is. Shinsuke, who is putting on his pants nearby, watches the two embracing. He is also happy that Diana's friend Shigure has regained consciousness. Diana wants to go home with her, but Shigure has many things to do. Shigure bids farewell to Diana and flies away. Meeting Shigure today and regaining her memories is a good thing. But what kind of dangerous humanoid female weapon awaits our big-butt girl Diana next time?

Chapter Four: "The Strongest Enemy, Zero"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero, named Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1, Deana, and the R series. Deana and Shinsuke had a day full of crises. Deana fought against her friend Shigure, who had lost her memory. Shigure was very strong, and they were caught in a tough battle. In the end, Shigure finally regained her memory, and the battle ended. What kind of bio-engineered humanoid female weapon awaits them this time?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, you should get up too..."

Shinsuke, who was lying on Diana's ample breasts, was startled awake when he saw the areolas and nipples of the breasts next to his head. Sitting on the bed, he saw that the big-butt girl with large breasts wearing only pink panties was Diana. Shinsuke reached out his right hand to shake the big-butt girl to wake her up. Diana, who had entered standby mode, restarted and began to scan her surroundings to confirm her current certified master, Shinsuke. After confirming, she bowed her head and greeted Shinsuke. Shinsuke saw that the big-butt girl was finally awake and was about to go to the bathroom to wash his face when Diana, half-naked with her large breasts, pink areolas and nipples, stood up with her back to Shinsuke, swaying her breasts. She used both hands to pull her pink panties down to her thighs, then turned around and blushed as she asked him to say something.

"Diana only has 40% energy left! Please, Shinsuke-sama, replenish it for me..."

Diana, with her cute back to Shinsuke, bent over, her white pants pulled down to her thighs, asking Shinsuke to replenish her energy. Actually, she still had 80% energy left and just wanted to be penetrated by a large, comfortable penis, deliberately lying to him. Shinsuke remembered that he had made a three-point agreement with Diana yesterday to feed her twice a day, so he had no choice but to take off his pants and reveal his invincible, living penis. Who wouldn't get hard and want to have sex after seeing Diana's naked body? It was a good opportunity to release his pent-up desires. Shinsuke walked behind Diana, using his right hand to grasp the glans of his penis and push it against Diana's labia. After inserting his penis, the glans kissed the depths of her uterus. After the penis was inserted, Shinsuke began to twist his waist, thrusting his penis in and out of Diana's cute little hole, feeling how tight it was. He also used both hands to rub Diana's big buttocks. Her buttocks were really big when she bent over, making him laugh as he did it. Diana blushed, feeling incredibly comfortable as her penis was being thrust into. Shinsuke, after only ten minutes of vigorous thrusting into Diana's cute little hole, ejaculated, his glans pressing against her cervix. The ejaculated semen was completely absorbed by Diana's uterus, not a drop spilling out. Shinsuke pulled out his penis and went to the bathroom to wash. Diana, still lying on the floor, blushed and panting, savoring the pleasure of her orgasm. After catching her breath, she stood up, pulled up her pink panties, and grabbed her signature red apron and white maid outfit from the bedside table. She immediately went downstairs to prepare breakfast. Diana used a recipe she had learned the day before to make fried rice in the kitchen. She made a bowl and placed it on the dining table. A short while later, Shinsuke, wearing a black school uniform and carrying a schoolbag, came downstairs and sat in a chair in the dining room. Diana sat on the other side. Shinsuke began to enjoy her breakfast, praising it as delicious.

"Your fried rice is pretty good! No wonder you're called the 'Big-Butt Girl' from the Biohazard arc..."

Shinsuke sat in the dining room, enjoying the fried rice breakfast Diana had made, and praised her. However, he still teased her about her "big butt." Even though Diana was praised, was she really a "big-butt girl"? Shinsuke never called her by her name, only this annoying nickname. After Shinsuke finished eating, Diana went to the kitchen to clean up for him. After they finished, Shinsuke and Diana left the house together. Many students were walking along this road, which also made Diana... Na jumped onto the lamp and let her follow behind. Shinsuke went to Akiha High School for class. Class time ended quickly, and it was time to go home. Diana followed Shinsuke, her large breasts jiggling. On the way home, Shinsuke saw a woman with long black hair dressed as a shrine maiden in an alley. The woman with large breasts was hugging a middle-aged man in a black suit, who was thrusting his penis into her body, making a vigorous thrusting motion with her large breasts jiggling. Shinsuke was surprised to see a shrine maiden playing this kind of game and told the cute maid Diana behind him about it.

"Big-butt girls! There's a big-breasted shrine maiden doing that kind of thing with an old man here..."

Shinsuke, with short black hair, told the big-butt girl, Diana, with amusement that there was a shrine maiden playing this kind of game with a middle-aged man in this alley. Diana used her scanner to take a look and sure enough, she was Zero Miyun, the strongest of the bio-humanoid female weapons. She didn't expect to encounter this terrible demon so soon. Diana prepared for battle. After Miyun was ejaculated inside by the middle-aged man, she absorbed the semen into energy in the same way as Diana's uterus. Then she used her right hand to pierce the man's body and pull out the penis inserted into her vagina. Shinsuke was so frightened by the shrine maiden killing someone that he fell to the ground. Miyun, holding the blood-stained penis in her right hand, walked up to Diana and Shinsuke and threw the penis in front of Shinsuke. Shinsuke was startled when he saw the blood-stained penis. Miyun looked down at Shinsuke, who was sitting on the ground, and told her.

"R-Zero Mikumo! I'm about to kill you here..."

The long-haired, busty beauty R-Zero Mikumo stood before Shinsuke, looking down as she introduced herself. Shinsuke was surprised to see this long-haired, busty shrine maiden, who turned out to be the great demon Zero Mikumo that Diana had mentioned. He was truly unlucky to have encountered this demon today. After Mikumo announced her name, she began to execute the two of them, holding a black energy blast in her right hand. Diana watched with wide eyes as the energy blast in her hand became incredibly powerful. After Mikumo finished holding the blast, she unleashed this powerful black energy blast as her ultimate attack on the two of them.

"Black Wave—"

Mikumo extended her right hand and fired a fully charged energy blast at Diana and Shinsuke. The black wave struck the two of them. Diana, with her large buttocks, saw the black hole-like energy and immediately grabbed Shinsuke to the right to dodge. The black hole hit a nearby house and destroyed it. The two were amazed by Mikumo's terrifying power. Diana, her breasts swaying, charged towards Mikumo and then kicked her into the air with her right leg, minimizing damage to nearby buildings. Mikumo, kicked into the air, looked at Diana on the ground, wondering what to do. Diana, wanting to finish off Mikumo quickly, conjured two white energy cannons in her hands, combined them, and unleashed her full power. She aimed at Shigure in the air and fired a powerful yellow beam cannon, using Diana's trump card technique as a bio-humanoid sex weapon.

"Destructive Energy Cannon—"

After kicking Shigure into the air, the big-butt girl, Diana, conjured two white energy cannons in her hands. She combined the two cannons and aimed at Miyun in the sky, firing a powerful yellow energy beam—her trump card, the Destructive Energy Cannon. The massive yellow energy cannon hurtled towards Miyun from the ground. Miyun immediately tried to defend herself, but the beam was so strong that it charred her clothes, tearing her shrine maiden outfit and revealing her full, pink breasts and black nipples. Mao Mao and her cute little hole were revealed. Shinsuke saw that her naked figure was no less impressive than the girl with the big butt. However, Diana noticed that even though she had used her strongest attack, it hadn't caused much damage to Meiyun. Compared to her past terrifying Meiyun, she was truly formidable. Diana's destructive energy cannon had used up 80% of her energy, leaving 20% to replenish. She sent two energy cannons back to her, and with both hands, she pulled her pink panties down to her thighs. Blushing, Diana bent over, showing off her cute big butt, and looked at Shinsuke beside her, saying,

"Master Shinsuke! Diana only has 20% energy left, please replenish it for me..."

The adorable, big-butt girl, Diana, only had 20% of her energy left. She pulled her panties down to her thighs, bent over, and showed off her cute buttocks, asking Shinsuke to replenish her energy. Shinsuke, seeing she needed another energy boost, quickly rushed behind Diana, pulled down his pants, and thrust his large penis against her labia, penetrating her vagina, the glans reaching deep into her uterus. He then began kneading her large breasts, twisting his waist and vigorously thrusting his penis into Diana's pleasurable vagina. Diana blushed as she felt the pleasurable sensation; she truly loved Shinsuke. With Shinsuke's massive penis above her, Meiyun watched him intently, realizing he was Diana's certifier. Shinsuke stretched out his right hand, imbued with dark power, and after more than ten minutes of intense thrusting, he finally ejaculated, sharing a climax with Diana. His glans pressed against Diana's uterus, releasing a torrent of white semen. Diana's uterus absorbed every drop, fully replenishing her energy. Naked in the air, Meiyun prepared herself, swinging her right hand to slash at the two on the ground—a powerful, deadly attack with immense black blade energy.

"Black Blade—"

Naked in mid-air, Miyun, her ample breasts swaying, swung her blade at the two on the ground. Powerful black energy surged towards them. The attack came too suddenly. Diana blushed, and Shinsuke, still behind her with his large penis still inside, reached out to catch Miyun's black blade. The black blade-shaped energy struck Diana head-on, shattering her maid outfit and leaving her naked. Her full breasts, pink areolas, nipples, green pubic hair, and swaying labia were revealed. Diana lost consciousness and fell backward. Shinsuke caught her. Diana had used up all her energy by taking Miyun's attack head-on and entered hibernation mode. Shinsuke saw that she hadn't woken up and kept shaking her body, but she wouldn't wake up. Miyun walked up to the two and pointed at Diana. Diana's continued unconsciousness made Shinsuke very nervous. He held Diana tightly in his arms, tears streaming down his face, and looked up at Miyun, saying...

"If you want to kill the big-butt girl, then kill me too..."

Shinsuke had genuine feelings for Diana. He was extremely anxious when she was unconscious. Before Diana was destroyed, he held her tightly, wanting to die with her. Miku witnessed this foolish human's behavior. Instead of escaping, he wanted to die with her. Since they were so eager to die, he decided to send them both on their way. Miku had a powerful black energy in her right hand. Shinsuke held his beloved Diana tightly in his arms, closed his eyes, and vowed to die with her even if it meant saving her. At this moment, a busty girl named Shigure with long black hair tied in a ponytail and wearing sexy black chainmail appeared. She drew her katana from her back and slashed Miku away from the right side. Then she stood in front of the two of them, looked back, and loudly told Shinsuke what she had said.

"Shin-suke! Hurry... take Diana away from here..."

Shigure, who spoke slowly, suddenly swung his katana from behind, slashing Miyun away from the right. She immediately turned back, her large breasts jiggling, urging Shin-suke to quickly take Diana away. Seeing Shigure come to their rescue, Shin-suke quickly grabbed the big-butt girl and rushed home. The naked Miyun, recognizing Shigure as an R-2, engaged in a fierce battle. Although Shigure couldn't defeat Miyun, he could buy them some time. Shin-suke took Diana home, holding her in a penetrating position and placing her on the bed. He first kneaded her soft, large buttocks with both hands, then his large penis pressed against her labia, penetrating Diana's vagina, the glans reaching deep into her uterus. He then began kneading her large breasts with both hands, twisting his waist and thrusting his large penis intensely into Diana's pleasure. Diana didn't react to the large penis thrusting into her vagina. Shinsuke thrust into Diana's vagina intensely for more than ten minutes before finally ejaculating. His glans pressed against Diana's uterus, spraying out white semen. The white semen was completely absorbed by Diana's uterus. Although it replenished his energy, Diana did not wake up. Shinsuke didn't understand why Diana didn't wake up even though she lost energy to replenish it. He didn't believe it and continued to try. Shinsuke kept kneading Diana's large breasts with both hands and thrusting his penis into her vagina. He tried this five times, but Diana still didn't wake up. He ejaculated five times, but still no luck. He turned her around to face her. Shinsuke hugged the naked Diana tightly in his arms, tears streaming down his face as he cried out in pain.

"Big-butt girl, why won't you wake up... Waaah---"

Shinsuke was heartbroken as he held the naked body, still not waking up, which made him cry. Shinsuke had spent the past few days with Diana, facing enemies together. Although he had always teased her for being a big-butt girl, he had already made her the most important and beloved woman in his heart. The fact that Diana wouldn't wake up and he couldn't see her lovely smile was breaking Shinsuke's heart. Shinsuke didn't know how to restart Diana's dormant mode after her energy was depleted. Could he find a way to restart Diana for the sake of his beloved big-butt girl, Diana?

Chapter Five "Awaken, Diana!"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero, named Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1 Diana, and the R series. Diana and Shinsuke had a very tragic day when they encountered Miyun, the strongest bio-engineered humanoid weapon. Diana used her strongest attack but could not defeat Miyun and was instead defeated by her powerful strength. Just as Miyun was about to kill them, Shigure came to their rescue. However, Diana's functions stopped and she could not wake up, causing Shinsuke great pain. When will Shinsuke be able to wake up the woman he loves most again?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, it's time to get up..."

Shinsuke, who was lying on Diana's ample breasts, was startled awake when he saw the areolas and nipples of the breasts next to his head. Sitting on the bed, he saw that the big-breasted, big-butt girl wearing only pink panties was Diana. Shinsuke reached out his right hand to shake the big-butt girl to wake her up, but then he remembered that Diana hadn't woken up since the battle with Miyun yesterday and was still in some unknown shutdown mode. So he turned Diana around so that her back was to him, pulled her pink panties down to her thighs, and then looked at the cute Diana and said that he wanted to try again.

"Let's try again this morning..."

Wanting to try again, Shinsuke pulled Diana's pink panties down to her thighs, then took off his pants, revealing his incredibly large and powerful penis. Standing behind Diana, Shinsuke used his right hand to grasp the glans of his penis and push it against her labia. After inserting his penis, the glans went straight to the depths of her uterus. Once inside, Shinsuke began to twist his waist, thrusting his penis into Diana's cute little hole, feeling how tight it was. He also used both hands to rub Diana's big buttocks. Her buttocks were really big when she bent over, making him laugh as he did it, reminiscing about her cute big buttocks. Shinsuke was thrusting his penis vigorously... Within ten minutes of penetrating Diana's cute little hole, his glans ejaculated, pressing against her cervix. The ejaculated semen was completely absorbed by Diana's uterus, not a drop spilling out. Diana still hadn't woken up after he finished, so he pulled out his penis and went to the bathroom to wash up. After washing, he changed into white casual clothes and jeans, then dressed Diana in her signature red apron and white maid outfit. After dressing her, Shin-suke carried Diana downstairs to the dining room and sat her down. Shin-suke went to make breakfast, eating toast while asking for a day off from school. While eating toast in the dining room, Shin-suke, already having figured out what to do, looked at the green-haired beauty Diana sitting next to him and said,

"Big-butt girl Diana! Today I will definitely wake you up..."

Shinsuke, who was eating toast, had already taken a day off from school. He was determined to wake up the adorable Diana today. After finishing his meal and getting ready, Shinsuke carried Diana away from home in his arms, placed her in front of his bicycle, and started riding. Their destination was the Oda Research Institute near Ginza. Diana had mentioned that her father, Akiha, was a skilled researcher who could surely wake her up. Shinsuke rode for twenty minutes with Diana on his bicycle until they arrived at the Oda Research Institute, a ten-story white building. Shinsuke got off the bicycle, carried Diana in his arms, and looked at the Oda Research Institute sign at the entrance with a determined expression.

"It's been so long since I've been here! I hope Father can wake up the big-butt girl..."

Shinsuke finally arrived at the Oda Research Institute, carrying Diana in his arms, hoping to find his father to wake her up. Shinsuke hadn't been to the institute for a very long time, and had been afraid for several years, but he still took the first step. He went to the counter on the first floor and asked the receptionist for help. After understanding, the receptionist called Dr. Akiha on the tenth floor. After the call was answered, Shinsuke carried Diana up the elevator. On the tenth floor, he saw a lot of research equipment and male and female researchers in white coats. Dr. Akiha, a handsome middle-aged man with long black hair and wearing a white research coat, was holding two cups of Blue Mountain coffee that Shinsuke loved to drink, waiting for him to drink with him. However, seeing the blue-haired, big-breasted girl in Shinsuke's arms, he thought Shinsuke had finally grown up and had a cute girlfriend. However, her appearance seemed familiar. Shinsuke looked at his father, whom he hadn't seen for many years, and had a lot to say. But the most important thing was to save the big-butt girl Diana and wake up Sleeping Beauty. So he solemnly told his father about Diana.

"She's a bio-engineered humanoid weapon from the future, Diana, and she's currently in a coma! I hope Father can wake her up..." The

man with short black hair solemnly told his father about Diana, revealing that she was a bio-engineered humanoid sex weapon from the future, and hoped he could save her. All the researchers inside were surprised to hear that she was a bio-engineered humanoid weapon and rushed over to see, not expecting her to be so human-like. Qiu Yu realized that she was indeed a bio-engineered humanoid weapon, a development design by Jun Er. Jun Er was out today, so Qiu Yu immediately put down his coffee and asked Shinsuke to take her clothes... He took off her clothes and went to get Diana's development data. Shinsuke picked Diana up and placed her on the research table next to him, removing her clothes and leaving her naked. This revealed her full breasts, pink areolas and nipples, green pubic hair, and cute labia. Many researchers looked at Diana's naked body, noting that her breasts, pubic hair, and vagina were all incredibly realistic. Because of her large buttocks, Diana was a real human female with minor body modifications. Akiha, holding Junji's data, was also shocked when he saw Diana's naked body. She was practically a real human. He curiously rubbed her large breasts with both hands and excitedly said...

"Her breasts are so soft, firm, and elastic! Her pink nipples are so sensitive, milk keeps flowing out..."

Dr. Akiha, a handsome young man with long black hair, curiously rubbed her breasts with both hands, excitedly feeling their softness, firmness, and elasticity. Milk flowed out when the pink nipples were pinched. The amazing structure was just like a real woman's. Shinsuke and the researchers next to him also wanted to touch them. After Akiha finished rubbing Diana's breasts, he asked Shinsuke to turn her over so that her back was to everyone. The researchers could hardly resist looking at her green pubic hair and cute little hole. She truly deserved to be called a sex humanoid weapon. Akiha first used both hands to knead Diana's big buttocks, and then used his right hand to rub the cute little pink flower bud that kept flowing with love juice, excitedly saying.

"The girl's cute big butt is also very soft! The love juice from her cute pink bud-shaped vagina keeps flowing..."

Dr. Akiha, just like Shinsuke's father, loves big-butt girls. He kept stroking her cute big butt and rubbing her cute little vagina with his fingers. The researchers watched and became more and more excited about Diana's pink bud. After touching her breasts, Akiha started to look at the research data and explained that Diana had fallen into a coma because of energy depletion. All that was needed was to activate the restart button. Akiha took a pen and stabbed it into Diana's anus. Shinsuke looked at her big butt where the pen was inserted into her anus. So that's where the restart button was. Not long after Akiha inserted the pen, Diana restarted and finally opened her eyes with yellow pupils. Everyone was very moved to see her awake. Shinsuke immediately hugged Diana in his arms and shed tears of emotion. The naked Diana looked at the scanner and began to speak after she realized what it was.

"So this is Oda's research institute! Why am I here?"

The cute, short-haired, big-breasted girl, Diana, was being held by Shinsuke, who was crying. She knew this was a research institute, but she didn't understand why she was naked here. With tears of emotion, Shinsuke began to tell her that after Miyun was defeated, she fell into a coma, and he brought the big-butt girl here for help. Akiha also knew that Miyun, whom he was developing, would be killed by her, and now he didn't know whether to continue his research on Miyun. Not long after, a young doctor with short black hair, Junji, finally returned. As soon as he returned and saw Diana, whom he had developed, Akiha told him everything. Diana was very moved to see Dr. Junji again. Junji walked up to the naked Diana and hugged her tightly in his arms, and then began to tell her something with a smile.

"Diana is indeed the beautiful goddess in my heart! I will give you the things I've recently developed so that Diana can defeat Meiyun's ultimate weapon..."

The handsome young man, Jun'er, hugged his beloved goddess, Diana, tightly. He never expected that she would be able to develop a humanoid weapon with the same organs as humans. In order for her to win against Meiyun, he took Diana to the laboratory. Shinsuke, Akiha, and many researchers were there to watch how Diana was armed. This was also Jun'er's first time using the computer to input her development data and add a heavy machine gun and a sensor cannon. Most importantly, it strengthens her physical energy and adds an awakening button to the back of her head. When activated, it will enter an awakening mode where she turns completely white and naked, increasing her strength by 200%. However, this awakening is dangerous and cannot be used frequently. After dressing up, Diana puts her maid outfit back on and thanks Junji and her father together with Shinsuke. Shinsuke is now very happy that the big-butt girl has woken up again. After returning home at night, Shinsuke finishes dinner and uses both hands to pull his pink panties down to his thighs. Then he makes Diana turn around so that her back is to him and tells her something amusing.

"Diana, you absolutely can't leave me again! Let's have some fun tonight..."

Shinsuke confessed to Diana, telling her she could never leave him. Diana blushed after being confessed to; it was the first time a boy had ever confessed to her. Shinsuke took off his pants, revealing his incredibly large and erect penis. Who wouldn't get hard and want to have sex with Diana after seeing her naked body? Shinsuke walked behind Diana, using his right hand to grasp the head of his penis and press it against Diana's labia. After inserting his penis, the head went straight for the depths of her uterus. After inserting his penis, Shinsuke began to twist his waist, thrusting his penis in and out of Diana's cute little hole, feeling how tight it was. He also used both hands to rub Diana's big buttocks. When she bent over, her buttocks... His penis was really big, and he kept kissing Diana's lips while he was doing it, laughing. Diana blushed as he kept pressing against her, which felt very comfortable. It was the first time she had been kissed on the lips, making her blush even more. Shinsuke was vigorously thrusting his penis into Diana's cute little hole for less than ten minutes when his glans pressed against her cervix and he ejaculated. All the semen was absorbed by Diana's uterus, and not a drop leaked out. That night, the two of them made love intensely ten times. Shinsuke ejaculated inside Diana ten times, and Diana also had ten orgasms. At night, Diana lay on the bed wearing only her panties. Shinsuke buried his face in her ample breasts and fell asleep. Diana blushed and her heart was pounding. Looking at his sleeping face, she said cutely,

"What's going on? My chest is so hot and beating so fast! I feel like this whenever I look at Master Shinsuke's face..."

Diana blushed, feeling a heat in her chest and her heart racing. She always felt this way whenever she looked at Shinsuke's face. Shinsuke had confessed to her and kissed her, causing this bio-weapon girl to fall in love. Despite being a humanoid weapon, she loved Shinsuke. Shinsuke would be overjoyed to know that Diana loved him too. They would love each other until death. Diana was unconscious for a day and was taken to the research lab by her beloved Shinsuke. Fortunately, a reboot saved her, and Junji further enhanced her physical abilities, weaponry, and awakened her powers. Hopefully, these powers would be able to deal with the powerful Miyun. But what kind of enemy will appear next?

Chapter Six: "Diana is Jealous"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1 Diana, and the R series. Diana was

taken by Shinsuke to his father, Dr. Akiha Oda. Diana was stripped naked and studied in front of all the researchers. Later, Diana woke up, and Shunji strengthened her weapons and enhanced her functions. What kind of bio-engineered humanoid challenges will the two encounter next?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her

arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, you should get up too..."

Shinsuke, who was lying on Diana's ample breasts, was startled awake when he saw the areolas and nipples of the breasts next to his head. Sitting on the bed, he saw that the big-butt girl with large breasts wearing only pink panties was Diana. Shinsuke reached out his right hand to shake the big-butt girl to wake her up. Diana, who had entered standby mode, restarted and began to scan her surroundings to confirm her current certified master, Shinsuke. After confirming, she bowed her head and greeted Shinsuke. Shinsuke saw that the big-butt girl was finally awake and was about to go to the bathroom to wash

his face when Diana, half-naked with her large breasts, pink areolas and nipples, stood up with her back to Shinsuke, swaying her breasts. She used both hands to pull her pink panties down to her thighs, then turned around and blushed as she asked him to say something.

"Diana only has 40% energy left! Please, Shinsuke-sama, replenish it for me..."

Diana, with her cute back to Shinsuke, bent over, her white pants pulled down to her thighs, asking Shinsuke to replenish her energy. Actually, she still had 80% energy left and just wanted to be penetrated by a large, comfortable penis, deliberately lying to him. Shinsuke remembered that he had made a three-point agreement with Diana yesterday to feed her twice a day, so he had no choice but to take off his pants and reveal his invincible, living penis. Who wouldn't get hard and want to have sex after seeing Diana's naked body? It was a good opportunity to release his pent-up desires. Shinsuke walked behind Diana, using his right hand to grasp

the glans of his penis and push it against Diana's labia. After inserting his penis, the glans kissed the depths of her uterus. After the penis was inserted, Shinsuke began to twist his waist, thrusting his penis in and out of Diana's cute little hole, feeling how tight it was. He also used both hands to rub Diana's big buttocks. Her buttocks were really big when she bent over, making him laugh as he did it. Diana blushed, feeling incredibly comfortable as her penis was being thrust into. Shinsuke, after only ten minutes of vigorous thrusting into Diana's cute little hole, ejaculated, his glans

pressing . The ejaculated semen was completely absorbed by Diana's uterus, not a drop spilling out. Shinsuke pulled out his penis and went to the bathroom to wash. Diana, still lying on the floor, blushed and panting, savoring the pleasure of her orgasm. After catching her breath, she stood up, pulled up her pink panties, and grabbed her signature red apron and white maid outfit from the bedside table. She immediately went downstairs to prepare breakfast. Diana used a recipe she had learned the day before to make fried rice in the kitchen. She made

a bowl and placed it on the dining table. A short while later, Shinsuke, wearing a black school uniform and carrying a schoolbag, came downstairs and sat in a chair in the dining room. Diana sat on the other side. Shinsuke began to enjoy her breakfast, praising it as delicious.

"Your fried rice is pretty good! No wonder you're called the 'Big Butt Girl'..."

Shinsuke sat in the dining room eating the fried rice that Diana had made for breakfast and praised her, though he still teased her about her big butt. Even though Diana was praised, was she really a big-butt girl? Shinsuke never called her by her name, only by that nickname. After Shinsuke finished eating, Diana went to the kitchen to clean up for him. After cleaning up, Shinsuke and Diana left the house together. There were many students walking on this road, and Diana jumped on a lamppost

to follow behind. Shinsuke went to Akihachi High School for class. Class ended quickly, and it was time to go home. Diana followed Shinsuke, her large breasts swaying. On the way home, a naked, long-haired, sweet-looking girl with large breasts appeared behind them. The girl walked behind Shinsuke, grabbed his large breasts with both hands, and clamped his head between her legs, telling him something expressionlessly.

"Would you like to have sex with me? I'm Gin, the bio-engineered humanoid weapon R-3..."

The naked, busty girl, Gin, the bio-engineered humanoid weapon R-3, walked behind Shinsuke, grabbed his breasts with both hands, and clamped Shinsuke's head between them from behind, expressionlessly demanding that Shinsuke have sex with her. Shinsuke blushed as his head was clamped between the breasts of this naked bio-engineered female weapon, finding it very comfortable. However, he

already had beloved Diana and would not change his mind. Diana turned around and saw that her sister also wanted to do that kind of thing with Shinsuke. Suddenly, she felt a tightness in her chest and a surge of anger. Diana, her breasts swaying, stepped in front of Gin, stomped her right foot on the ground, and then extended her right fist, punching Gin in the right cheek, sending her flying and crashing into the right wall. After punching her, Diana remained in the same position, looking down at her right hand and saying curiously.

"What's going on! Why am I so angry..."

Diana remained in her original position, looking down at her right hand, wondering why she was so angry. Diana's act of knocking Gin away was a woman's act of being jealous. She was angry because Shinsuke's head was being held between Gin's breasts and he still wanted to have sex with her. Shinsuke saw that Diana was actually jealous and thought that her jealous appearance was really

cute. Gin was knocked to the front of Diana, her large breasts shaking and rising. It was her turn to fight back. She rushed towards Diana, stopped in front of her, and used her large breasts to knock Diana up. She chased after her, jumped into the air, and used her large breasts to knock her down, using Gin's physical special technique.

"Double Breast Burst—"

Silver Breast, with her long golden hair, charged towards Diana, her ample breasts swaying. Reaching Diana, she stopped and used her breasts to knock her upwards. She then chased after her, leaping into the air and using her double breasts to bring Diana down, unleashing her ultimate physical attack, Double Breast Burst. Diana fell to the ground, and her lover, Shinsuke,

immediately she remembered the new weapon she had acquired yesterday and conjured a black Gatling gun in her right hand. Aiming at Silver, she began firing wildly, unleashing Diana's new weapon.

"Gatling Gun---"

The cute, busty girl with short green hair, Diana, stretched out her right hand and conjured a black Gatling gun. She aimed at Gin and began firing wildly, unleashing Diana's new weapon, the Gatling Gun. Diana's machine gun kept shooting at Gin, who immediately dodged to the right. She kept firing until she ran out of bullets.

After running out of bullets, Diana's Gatling Gun used 60% of its power, leaving 20% to replenish. She then returned the Gatling Gun to her hand and used both hands to pull her pink panties down to her thighs. Bending over and showing off her cute big butt, Diana blushed as she looked at Shinsuke beside her and said something to him.

"Master Shinsuke! Diana only has 40% energy left, please replenish it for me..."

The cute, big-bottomed girl Diana, wearing a red apron and white maid outfit, only had 40% energy left. She pulled her panties down to her thighs, bent over, showing off her adorable buttocks, and asked Shinsuke to replenish her energy. Shinsuke, seeing she needed him to replenish her energy again, and seeing no one around, rushed behind Diana, pulled down his pants, and pressed his large penis against her labia, inserting it into her vagina, the glans reaching deep into her uterus. Then he began to knead her large breasts with both hands, twisting his

waist and vigorously thrusting his large penis into Diana's pleasurable vagina. Diana blushed from the thrusting. Feeling this comfortable pleasure, she really loved Shinsuke's big penis. Gin jumped into the air and looked at Shinsuke, knowing that he was Diana's certifier. Her breasts stretched out in the air, radiating white power. Shinsuke used his penis to vigorously

thrust into Diana's vagina for more than ten minutes before finally not being able to hold back and ejaculating, reaching orgasm with Diana. His glans pressed against Diana's uterus and he shot out white semen. The white semen was completely absorbed by Diana's uterus without losing a drop. After absorbing it, she finally replenished her energy. Gin was ready. In the air, she fired a strong white light from the pink nipples on both sides of her breasts towards Diana and Shinsuke, using Gin's physical finishing move.

"Double Breast White Light---"

Naked Gin fired intense white light from the pink nipples of her two large breasts at Diana and Shinsuke in mid-air, unleashing Gin's ultimate physical attack
, Double Breast White Light. Diana, still in the insertion position, saw the white light emanating from Gin's breasts and immediately grabbed Shinsuke behind her to dodge backward. Gin's finishing move missed them. Diana then generated several sensors around her that moved toward Gin in mid-air, circling around her continuously as she unleashed Diana's new finishing technique.

"Induction Cannon—"

Diana conjured several sensors around her and moved them toward Gin in the air, circling around her continuously. She unleashed Diana's new special move, the Induction Cannon, which fired moving lasers in the air, constantly striking Gin. Gin was knocked down by the energy of the Induction Cannon and fell to the ground unconscious. After defeating her, Shinsuke and Diana went home together. That night, Diana sat half-naked at Shinsuke's desk, wearing only pink panties. Shinsuke was doing his homework while she sat

next to the bookshelf reading a romance book. After finishing the book, she realized that her recent actions were actually feelings of being in love, and that she had hit Gin out of jealousy. After finishing his homework, Shinsuke picked Diana up and held her in front of the bed, kneading her cute big buttocks with both hands and kissing her lips repeatedly, smiling as he told her something.

"Diana's cute big butt is so adorable! I wish I could touch that cute big butt forever..."

Shinsuke held Diana in front of the bed and kneaded her cute big butt with both hands, kissing her lips repeatedly and praising her butt as cute. Diana's face turned red from being kissed, but she felt a very comfortable pleasure. After kissing, the two had a passionate night before going to bed. What kind of events awaited them next time?

Chapter Seven: "The Two's Date"

In 2010, in the Ginza district of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1 Diana, and the R series. Diana and Shinsuke

returned to peace, but they encountered the naked bio-engineered humanoid weapon R-3 Gin. Gin seduced Shinsuke, but an angry Diana beat him up and sent her flying. What kind of events will the two encounter next?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her

arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, you should get up too..."

Shinsuke, who was lying on Diana's ample breasts, was startled awake when he saw the areolas and nipples of the breasts next to his head. Sitting on the bed, he saw that the big-butt girl with large breasts wearing only pink panties was Diana. Shinsuke reached out his right hand to shake the big-butt girl to wake her up. Diana, who had entered standby mode, restarted and began to

scan her surroundings to confirm her current certified master, Shinsuke. After confirming, she bowed her head and greeted Shinsuke. Shinsuke saw that the big-butt girl was finally awake and was about to go to the bathroom to wash
his face when Diana, half-naked with her large breasts, pink areolas and nipples, stood up with her back to Shinsuke, swaying her breasts. She used both hands to pull her pink panties down to her thighs, then turned around and blushed as she asked him to say something.

"Diana only has 40% energy left! Please, Shinsuke-sama, replenish it for me..."

Diana, with her cute back to Shinsuke, bent over, her white pants pulled down to her thighs, asking Shinsuke to replenish her energy. Actually, she still had 80% energy left and just wanted to be penetrated by a large, comfortable penis, deliberately lying to him. Shinsuke remembered that he had made a three-point agreement with Diana yesterday to feed her twice a day, so he had no choice but to take off his pants and reveal his invincible, living penis. Who wouldn't get hard and want to have sex after seeing Diana's naked body? It was a good opportunity to release his pent-up desires. Shinsuke walked behind Diana, using his right hand to grasp

the glans of his penis and push it against Diana's labia. After inserting his penis, the glans kissed the depths of her uterus. After the penis was inserted, Shinsuke began to twist his waist, thrusting his penis in and out of Diana's cute little hole, feeling how tight it was. He also used both hands to rub Diana's big buttocks. Her buttocks were really big when she bent over, making him laugh as he did it. Diana blushed

, feeling incredibly comfortable as her penis was being thrust into. Shinsuke, after only ten minutes of vigorous thrusting into Diana's cute little hole, ejaculated, his glans
pressing . The ejaculated semen was completely absorbed by Diana's uterus, not a drop spilling out. Shinsuke pulled out his penis and went to the bathroom to wash. Diana, still lying on the floor, blushed and panting, savoring the pleasure of her orgasm. After catching her breath, she stood up, pulled up her pink panties, and grabbed her signature

red apron and white maid outfit from the bedside table. She immediately went downstairs to prepare breakfast. Diana used a recipe she had learned the day before to make fried rice in the kitchen. She made
a bowl placed it on the dining table. A short while later, Shinsuke, wearing a black school uniform and carrying a schoolbag, came downstairs and sat in a chair in the dining room. Diana sat on the other side. Shinsuke began to enjoy her breakfast, praising it as delicious.

"Your fried rice is pretty good! No wonder you're called the 'Big-Butt Girl' from Biohazard..."

Shinsuke sat in the dining room, enjoying the fried rice Diana had made for breakfast, and praised her. However, he still teased her about her "big butt." Even though Diana was praised, was she really a "big-butt girl"? Shinsuke never called her by her name, only this endearing nickname. After Shinsuke finished eating,

Diana went to the kitchen to clean up for him. After they finished, Shinsuke and Diana left the house together. Walking along the school street, Shinsuke suddenly wandered into a nearby shopping street. As soon as they reached the shopping street, he turned around and smiled, telling Diana,

"Actually, I've already asked for leave from school! Big-Butt Girl Diana, let's go on a date today..."

Shinsuke was walking along the school road when he suddenly wandered into a nearby shopping street. As soon as he arrived, he turned around and smiled, telling Diana that he had taken the day off from school to go on a date with the big-butt Diana. Upon hearing the word "date," Diana frantically searched her memory for information she'd read in books, and when she understood, her face flushed. Shinsuke held Diana's left hand in his right, and the two strolled through the shopping street. Diana, dressed in a maid outfit,

looked like a real couple with her ample bosom jiggling as she walked with Shinsuke. Shinsuke led Diana to a plaza in the center of the shopping street where there was an ice cream vendor. He bought two strawberry ice cream cones, one for himself and one for Diana. Although Diana didn't need to eat, she opened her mouth and took a bite of the ice cream at Shinsuke's suggestion. She found it delicious and refreshing, and smiled as she told Shinsuke.

"This cool and refreshing stuff is really delicious..."

Diana opened her mouth and took a bite of ice cream after Shinsuke told her. She found it very delicious and cool and told Shinsuke with a smile. Shinsuke was very happy and satisfied to see that Diana liked it. It was her dream to let her beloved Diana eat, and now

it had come true . Diana and Shinsuke walked and strolled around, eating ice cream. By noon, they were hungry, so Shinsuke took her to a nearby steakhouse and ordered two steaks. The two sat facing each other at the steakhouse and enjoyed the delicious steaks. Diana used her left hand to cut the beef and her right hand to fork it and eat it. She smiled and told Shinsuke about the deliciousness of the beef.

"So this is beef! It's really delicious..."

Diana, with her short green hair, used her left hand to cut the beef and her right hand to fork it, savoring its deliciousness as she smiled and told Shinsuke. It was her first time trying beef; she had only ever seen cows but never eaten it, and she found it incredibly delicious. Shinsuke felt satisfied seeing Diana enjoy it. After finishing their steak, Diana and Shinsuke left the steakhouse. In the afternoon, they went to the movie theater to the right of the steakhouse. Shinsuke bought two tickets to a romantic movie, and he and Diana sat together in the center of the crowded theater. Shinsuke

sat on the right, and Diana sat on the left. They looked up at the dark screen, watching the movie. After an hour, Diana, still unable to understand, stared intently at the screen, saying cutely...

"I don't understand..."

Diana stared intently at the screen, her expression determined, repeatedly saying she didn't understand. Shinsuke, sitting next to her, wasn't watching and kept stealing glances at Diana. After the movie, they left the theater and went to a nearby park. In a secluded corner, in front of a tree, Shinsuke had Diana turn her back to him, then used

his hands to pull off her cute pink panties, revealing her green pubic hair and adorable labia. He then knelt in front of Diana, kneading her cute big buttocks with both hands, excitedly telling her...

"I have to rub Diana's soft and bouncy butt every day! I really love big-butt girls' big butts..."

Shinsuke made Diana turn her back to him, then used both hands to pull off her cute pink panties, revealing her green pubic hair and adorable labia. He then squatted in front of Diana and excitedly told her that he rubbed her cute, soft, and bouncy butt every day, and that he really loved big-butt girls' big butts. Diana, with her back to Shinsuke, blushed and still felt annoyed by his rubbing of her butt.

After Shinsuke finished rubbing, he stood behind Diana and pulled open her maid's top, revealing her full breasts, pink areolas, and nipples. He then rubbed her breasts and rubbed her pink nipples with both hands. She climaxed shortly after being rubbed, and delicious milk flowed from her nipples. Shinsuke rubbed Diana's breasts and rubbed her pink nipples while confessing his love to her.

"Diana, will you be my girlfriend..."

Shinsuke rubbed Diana's ample breasts and pink nipples, confessing his love to her as he did so, hoping she would become his girlfriend. Shinsuke once again mustered the courage to confess to the cute, big-bottomed girl, Diana. Hearing Shinsuke's heartfelt confession, Diana blushed deeply, unsure of what to do. She closed her eyes to think for a moment, then opened them and responded to Shinsuke.

"Although I'm a humanoid female weapon protecting Shinsuke! I really like Shinsuke and want to date you..."

Wearing a red apron maid outfit, Diana blushed when she heard Shinsuke's confession of love. Not knowing what to do, she closed her eyes to think for a moment, then opened them and responded to Shinsuke. Although she was a humanoid weapon, she still liked Shinsuke very much. After hearing Diana's response, Shinsuke kissed her

lips . The two kissed passionately for a long time. After the kiss, they went home, and Shinsuke started playing a fiery game in his room. After they finished, Shinsuke held Diana in front of the bed, kneading her cute big butt with both hands, and kept kissing her lips as he smiled and told her.

"Diana's cute big butt is so adorable! I'm so happy to be dating you today..."

Shinsuke hugged Diana to the bedside, kneading her cute big butt with both hands, kissing her lips repeatedly, and smiling as he praised her butt for being cute. Diana's face turned red from being kissed, but she felt a very comfortable pleasure. Shinsuke finally won Diana's love, and the two became lovers. What kind of trials will this couple face in the future?

End Chapter "Wedding"

In 2010, in the Ginza area of Tokyo, Japan, Dr. Akiha Oda created a bio-engineered humanoid female weapon, R-Zero Miyun. However, Miyun lost control, destroyed everything, and killed Dr. Oda. Shunji Uchida spent ten years creating his favorite bio-engineered sex humanoid female weapon, R-1 Diana, and the R series. Diana and Shinsuke skipped school that day and went on a date. What kind of performance will the final chapter bring?

In a two-story Japanese-style house in the Ginza district of Tokyo, in the working-class residential area of Ginza Akiba High School, Shinsuke's room is located at the very back. The room is furnished with normal male items. Under the white human bed lies a busty woman with short green hair, wearing only pink panties. In her

arms lies a handsome young man with long black hair, wearing a white short nightgown. When Shinsuke wakes up at seven in the morning, he opens his eyes and looks to his right, and sees the pink areolas and nipples of the busty breasts on his right. Startled awake, he sits up and looks at the still sleeping R-1 bio-engineered female weapon, Diana, and says...

"It's Diana! Big-butt girl, you should get up too..."

Shinsuke, who was lying on Diana's ample breasts, was startled awake when he saw the areolas and nipples of the breasts next to his head. Sitting on the bed, he saw that the big-butt girl with large breasts wearing only pink panties was Diana. Shinsuke reached out his right hand to shake the big-butt girl to wake her up. Diana, who had entered standby mode, restarted and began to
scan her surroundings to confirm her current certified master, Shinsuke. After confirming, she bowed her head and greeted Shinsuke. Shinsuke saw that the big-butt girl was finally awake and was about to go to the bathroom to wash

his face when Diana, half-naked with her large breasts, pink areolas and nipples, stood up with her back to Shinsuke, swaying her breasts. She used both hands to pull her pink panties down to her thighs, then turned around and blushed as she asked him to say something.

"Diana only has 40% energy left! Please, Shinsuke-sama, replenish it for me..."

Diana, with her cute back to Shinsuke, bent over, her white pants pulled down to her thighs, asking Shinsuke to replenish her energy. Actually, she still had 80% energy left and just wanted to be penetrated by a large, pleasurable penis, deliberately lying to him. Shinsuke remembered that he had made a three-point agreement with Diana yesterday to feed her twice a day, so he had no choice but to take off his pants and reveal his invincible, living penis. Who wouldn't get hard and want to have sex after seeing Diana's naked body? Perfect for releasing his pent-up desires. Shinsuke walked behind Diana and grabbed his penis with his right hand.

Shinsuke's glans pressed against Diana's labia, and after inserting his large penis, the glans kissed the depths of her uterus. After the penis was inserted, Shinsuke began to twist his waist and thrust his penis in and out of Diana's cute little hole, feeling how tight her little hole was. He also rubbed Diana's big buttocks with both hands. Her buttocks were really big when she bent over, which made him laugh as he did it. Diana blushed and
felt very comfortable being thrust into there. Shinsuke thrust his penis into Diana's cute little hole intensely for less than ten minutes, and his glans, with her uterus pressed against it,

ejaculated The ejaculated semen was completely absorbed by Diana's uterus and not a drop flowed out. After Shinsuke pulled out his penis, he went to the bathroom to wash up. Diana was still lying on the floor of the room, blushing and feeling the pleasure of the orgasm she had just experienced. After she finished catching her breath, she stood up, pulled up her pink panties, and then took the signature outfit from the bedside table
, a red apron and a white maid outfit, and put them on. After washing up, Shinsuke, wearing a black suit, began to ask Diana questions.

"Diana, today is our wedding day. Are you ready...?"

Shinsuke, dressed in a black suit, asked Diana if she was ready for the wedding. Diana replied that she was ready. The two were finally getting married today. Not long after, her father, Akiha, arrived in a black car and took Diana and Shinsuke to the wedding venue. Diana changed into a white

wedding dress in the bridal dressing room. Akiha and Shinsuke greeted the guests in the hall. Many researchers came to attend the wedding. Junji, dressed in a white suit, also came to the wedding venue to offer his congratulations to Shinsuke.

"Shin-suke! Congratulations on your wedding to Diana today... I wish you a long and happy life together..."

Jun-ji, dressed in a white suit, also arrived at the wedding venue to offer his congratulations to Shin-suke. Shin-suke was very grateful to Jun-ji for attending his wedding and thanked him for coming to his wedding with his big-butt fiancée, Diana. At this moment, Diana, who was alone in the bridal room wearing a white wedding dress,

felt a strong reaction from her sensory device. This reaction was very familiar. Suddenly, the wall to Diana's left was destroyed, and a woman with long black hair and wearing a white shrine maiden's outfit appeared. As soon as she appeared, she shook her large breasts and used her right iron fist to send Diana flying.

"R-1 Diana Destruction---"

As soon as Miyun appeared, she swayed her ample breasts and used her right iron fist to send Diana flying. Diana was sent flying into the hall, her clothes torn, leaving her half-naked, revealing her full pink nipples, areolas, and pink panties. She was only wearing a white veil on her head. Diana was caught by Shinsuke as she flew out. Akiha and Shunji looked at this and realized that this was indeed the humanoid weapon they had planned. Shinsuke, who was supporting Diana, looked at Miyun in surprise and said, "How did you end up at the wedding?"

"Why is Miyun here..."

Shinsuke, supporting Diana, was surprised to see Miyun at the wedding. He hadn't expected Miyuki to be there. The guests were watching the half-naked bride and the shrine maiden who had come to cause trouble. Akiha and Shunji were amazed by Miyun's power in her fully formed form. Diana, her breasts swaying, stood up and looked at Miyun. She could finally get her revenge. She activated her new awakening system and turned completely white.

"Burst Awakening---"

Diana activated her new awakening system to take revenge on Miyun. She turned completely white and her combat power kept rising. The ultimate burst awakening mode, with no energy depletion, was now in effect. Miyun, standing in front of Diana, was ready for battle. At this moment, a powerful black force surged from her body, causing her clothes to fly off. Her naked

body revealed her full breasts, pink nipples, black pubic hair, and cute vulva. Then, her breasts swayed and transformed into a black ball, rushing towards Diana. She used Miyuki's ultimate finishing move.

"Black Breaker Ball---"

Miyun's ample breasts swayed as they transformed into a black ball and charged towards Diana, unleashing her ultimate finishing move, Black Breaker Ball. The black energy surged head-on towards Diana. The guests present were witnessing this final battle. Diana, whose white energy was constantly flowing out, remained still and used both hands to catch Miyun's black energy

, absorbing her dark power. Miyun was startled after her power was absorbed by Diana. Then, Diana, who was holding Miyun's body with both hands, was finally about to unleash her ultimate technique. White light emanated from her hands as she shouted the name of her finishing move.

"Holy Light of Light—"

Diana, gripping Meiyun's body with both hands, was finally about to unleash her ultimate technique. White light emanated from her hands as she unleashed her awakened finishing move. The holy light emanating from her hands relentlessly attacked Meiyun's body. After a short while, Meiyun was finally defeated by this powerful force and entered a dormant state. Qiuyu took Meiyun to another room to settle her in.

Diana went to exchange the white gift and returned. Standing before the priest, the priest asked Shinsuke if he loved Diana forever. Shinsuke replied that he did. Then the priest asked Diana, who blushed and thought for a moment before answering yes.

"I take Shinsuke to be my wife..."

After asking Shinsuke, the priest asked Diana. Diana blushed and thought for a moment, of course she was willing to marry Shinsuke. The two exchanged rings and became husband and wife, and nothing would ever separate them again, they would stay together for life. Their wedding night unfolded just as passionately. Diana gained a father to respect and love. The story of the bio-engineered humanoid female weapon ends here. Thank you for watching.

end

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