Wild Mom and Sexy Sister

"What's going on?" While I was fast asleep, I suddenly felt a tingling, itchy sensation on my penis, heard a "sizzling" sound, and smelled alcohol. I opened my eyes. It was still dark, the room was dim, and a faint light from the hallway shone through the crack in the door onto me. Someone was lying between my legs, "tasting" my penis, a pair of soft hands playing with my testicles. I sat up; she was still there, shifting forward with my movement. My hand found its way to her breast, and when my fingers touched a small protrusion below her left nipple, I knew who she was.

"Sister, why are you back?" I asked.

"You little devil, how did you know it was me?" my sister asked, spitting out my penis.

“You have a little bump under your left nipple. I’ve touched it countless times, and you still didn’t notice?” I said.

“Good that you know. I only came back because I missed you,” my sister said.

“Why did you come back in the middle of the night? Does Mom know?” I asked.

“The company had a party today, and it just ended. I was going to go to your brother-in-law’s, but it was too late and the road is far, so I ran back.” My sister said, kissing my glans.

“Does Mom know?” I asked.

“I came in through the back door and came straight here. Mom doesn’t know.” “Then go and rest. It’s so late, and you’re still fooling around.” I said.

“What? How heartless! I was thinking about you.”

My sister said and kissed me on the lips without further ado, her breath reeking of alcohol. She hugged me tightly, her warm and full body pressed against mine. My dormant penis instantly became erect, pressing against my sister's buttocks.

"Your body betrays you!" My sister sensed the change in my body, her hand reaching down to pinch my glans, rubbing it with her fingers. My hand reached inside my sister's clothes, touching her breasts, rubbing her nipples with my fingers, just as she had rubbed my glans. My sister lay down on the bed, spread her legs, and pulled me onto her. I groped my way to insert my penis into her vagina and began thrusting...

I was twenty-one years old, in university. Because the school was close to home, I was one of the very few day students. My sister was already working, three years older than me. My parents were both high school teachers. They're divorced now, and I don't know the specific reasons. I only remember they had a big fight, then my dad moved out, and my mom hugged me and cried her eyes out. A few days later, they divorced, and the family property was split in two. My dad took my older sister, and my mom chose me. My sister and I have always been very close. Back then, we lived in an old house, and my sister and I slept in the same bed every day. We always talked and laughed. Because we were young, we didn't have any particular thoughts about it until I went to high school.

One time, while showering at school, my classmates were shocked when they saw my large penis. But then they saw my overly long foreskin and started laughing at me, saying I wasn't developing normally. Even in high school, my glans hadn't come out yet, and then they showed me their red glans. I ran home and lay on the bed, sulking.

"What's wrong?" My sister asked when she saw me lying on the bed after she came home.

"Sis..." I wanted to say something, but I was too embarrassed to speak. Although I was close to my sister, I still felt a little awkward.

"What's wrong? Why are you so shy with your sister?" my sister asked. So I stammered out what happened.

"Hahaha..." my sister laughed after hearing this, got up and locked the door, then walked over to me. "Let me show you."

"Oh?" I hesitated for a moment, but finally, under my sister's concerned gaze, I pulled down my pants, exposing my large penis to her gaze.

"Wow, it's big! I didn't expect it to be bigger than my boyfriend's," my sister said. After she finished speaking, she held my penis with both hands, and gently pulled down my foreskin with her left hand. Slowly, when my glans was exposed, I felt waves of pain.

"It hurts so much, sister," I said.

"Just bear with it for a bit," my sister said, pushing me down onto the bed. Then she squatted down, her hands still slowly pulling back my foreskin. She would pull it down forcefully, then release it, letting my foreskin retract automatically, and then pull it down even harder, repeating this motion over and over.

"How is it? Still hurting?"

"It doesn't hurt anymore," I said. It definitely didn't hurt as much as it did at the beginning. The sensation on my penis was peculiar, a slight pain mixed with a feeling of pressure that made me want to release it, accompanied by an itchy feeling. My sister's hands applied just the right amount of pressure, using all ten fingers to stroke and massage all around, distracting me from my foreskin. With her gentle manipulation, my glans was finally half exposed, but that half was the most difficult part to reach, intensifying my pain, and blood appeared on the foreskin.

Seeing my pained expression, my sister hesitated for a moment before opening her mouth and taking the exposed half of my glans into her mouth. The warmth enveloped my glans, and I immediately forgot the pain. My sister's warm lips sucked on my glans, making soft sounds. My penis grew even larger under her sucking, and the veins on the foreskin became clearly visible. Every time my sister licked my urethra, I felt an unparalleled stimulation, as if she were licking my very soul. Her hands didn't stop moving with the addition of her mouth; they continued to gently stroke up and down.

I sat there, feeling utterly powerless. I wished I could stay like that forever. The pleasure was unlike anything I'd ever felt before. My sister was focused on sucking my glans, her eyes gleaming with greed. The pleasure emanating from my penis had reached a fever pitch; I felt something about to burst forth.

"Sister, I..." Before I could finish, my sister suddenly and forcefully pulled my foreskin back to its maximum extent. I felt a sharp pain in my penis, followed by a feeling of flying. The pleasure spread from my penis throughout my body, coursing through every nerve in my body. A stream of white liquid shot out of my urethra. My sister covered her face with her hands, the white liquid spraying onto her hands. I collapsed weakly onto the bed, my penis trembling up and down, a little more liquid still leaking out. At this point, the entire glans was fully exposed, the foreskin creased beneath it.

"Now it's all right, go wash it in the bathroom," my sister said, flicking my penis. I got out of bed, put on my pants, and ran to the bathroom. When I got there, I noticed a layer of white stuff stuck to the area below the glans. It was sticky, and when I rubbed it, it had a slightly unpleasant smell. So I washed it thoroughly.

That night, my dinner tasted especially delicious. Although my sister and I were still joking and laughing as usual, there was something strange about it. After dinner, I went to evening self-study. In the bathroom, I showed my reborn penis to those guys who had mocked me, and they were speechless.

I slept in the same room as my sister, but my mother had set a rule that we had to sleep in opposite directions, with my head facing my sister's feet and her head facing my feet. My sister was already lying there, and I took off my clothes and lay down too. My hand unconsciously touched my penis, my mind filled with the feeling of her masturbating me earlier that day. My hand started mimicking her movements, but no matter how I tried, it didn't feel right. I looked at my sister; she was covered with a blanket, her body rising and falling, seemingly fast asleep. I gently lifted her blanket and lightly scratched the soles of her feet a few times.

"Hehe, it tickles," my sister laughed; she wasn't asleep yet.

"Can...can you do it again?" I stammered.

"Sure, but on one condition," my sister said.

"What condition?" I asked excitedly.

"Don't tell Mom, Dad, and you have to lick me down there," my sister said, pointing to her genitals.

“Okay,” I nodded. My sister nodded in satisfaction, then lay down again. She put her hand under the covers, and I immediately crawled under the covers too, shifting my body closer to her head, bringing my penis closer to hers. At the same time, I moved my penis even closer to her genitals. My sister’s head was already under the covers, her hand grasped my penis, her nimble tongue began to move on the glans, and her fingers gently teased around my testicles.

I put my head between my sister’s legs and reached over. What I touched was a bunch of furry, soft things. My fingers finally found an entrance, wet and slippery, with two long, tender strips of flesh. My fingers slowly slipped between the tender flesh. My sister's body trembled, her legs spreading even wider than before. My fingers touched a hard clitoris; I pinched it a few times, then stuck out my tongue and licked near the opening.

My sister moaned, her lips sucking hard on my glans. I sucked even harder on her genitals, gently biting the two long, tender strips of flesh with my teeth. My sister's tongue licked and teased the soft flesh beneath my glans; I felt myself about to climax again, so I tried to pull my penis out, but my sister held my buttocks tightly, preventing me from escaping from her mouth. I couldn't take it anymore, and all my semen sprayed into my sister's mouth.

My sister's vagina began to twitch, and then a salty, slightly fishy liquid flowed into my mouth. Since my sister had swallowed my things, I didn't hold back and drank the liquid flowing from her vagina. We hugged each other, panting. My sister kissed my penis, and I kissed my sister's white and smooth buttocks. Neither of us said a word, but we hugged each other, enjoying the comfortable exhaustion after the orgasm.

The uncomfortable feeling in my bladder woke me from my sleep. I found my penis was still in my sister's hand. I slowly pulled my penis out, then put on my slippers and went to the bathroom to empty my bladder. As I passed my parents' room, I heard sounds coming from inside. Peeking through the crack in the door, I saw my parents doing what my sister and I had just been doing, only they were doing it even more wildly. My mother was kneeling between my father's legs, sucking his penis forcefully, saliva dripping from the corners of her mouth onto his testicles. My father, meanwhile, was holding my mother's buttocks like he was eating a watermelon, licking her genitals and making sounds.

My mother turned around, placed her hands on my father's penis, and sat down, positioning herself on his chest. Then she placed her hands on his chest and began moving them up and down, her large breasts swaying back and forth. Seeing this, my penis immediately became erect again. My swollen penis pressed against the door, and I moved it up and down gently, the head rubbing against the door. Just then, a pair of hands reached out from behind me and grabbed my penis.

My sister had somehow gotten behind me. She lowered her head and kissed me on the lips. I immediately turned around and hugged her tightly. Our tongues mingled in her mouth, and my hands slipped under her bra, clumsily touching her breasts. Then I slipped inside her clothes, my lips pressing against her nipple. I'm shorter than my sister, so I could only kiss her nipple passionately.

I grabbed my sister's hand and ran back to our room. We closed the door and I immediately collapsed onto the bed. I grabbed her clothes and ripped them off, while she pulled down my underwear and took my penis into her mouth.

I lay there, and she lay between my legs, sucking on my penis. My penis felt like it was on fire, but her mouth was even hotter. After a few moments, she released it, took off her own underwear, straddled me, and, like a mother, grasped my penis, rubbing it against her labia before placing the head against her vaginal opening. I held her waist, and with a thrust of my lower body, my penis slid into her pleasurable vagina. The incredibly smooth, warm contact and exhilarating friction gave me a true sense of pleasure between a man and a woman. I realized that real sex was far more pleasurable than oral sex. Of course, I wouldn't let it pass, sucking on her nipples while thrusting. My tongue, like my penis, moved in and out of her mouth.

My sister's hand touched my anus, gently stroking it with her fingers, then she suddenly inserted a finger. Distracted, I felt a surge of pleasure through my penis, and my semen gushed wildly into my sister's vagina. Bathed in my semen, my sister's vagina struggled and manipulated herself a few times before reaching orgasm herself. I held my sister tightly, my penis reluctant to leave her vagina, even though semen was already flowing down my penis onto the bed.

From then on, my sex life with my sister began. Although she already had a boyfriend, she would still find opportunities to come back and have intimate contact with my penis. This continued until my senior year of high school, when my parents divorced and my sister moved out with my father.

When I entered university, my sister started preparing for her wedding. Although my mother and father had a falling out, she still attended my sister's wedding, and I went with her. We even found an opportunity to have sex in the bathroom. After my older sister got married, she and her husband bought a house and moved out of my father's house. My mother and I still live in the old house. My sister has a lot of social engagements at work, and she only comes back

for one night each time, then she "treats" my penis. "Girls grow up and leave home." That's my mother's comment on my sister's marriage. Although my sister comes back to see me from time to time after getting married,

she doesn't come back every day. My mother is a middle school teacher, 46 years old this year, with a great figure. Her breasts are still so full and alluring after feeding my sister and me. Tomorrow is my birthday, and I went home early to tidy up the mess in my room, from the table to under the bed, etc. My mother left a note saying she went out to buy groceries.

Feeling bored, I lay in bed reminiscing about the passionate times I spent with my sister. Suddenly, I remembered several borrowed erotic novels under my bed. I jumped out of bed and crawled under to look for them. As I found the hidden books and prepared to come out, I noticed an envelope taped to my bed frame. Curious, I took it out. Sitting on the bed, I opened the envelope, and a letter fell out. It was covered in transparent tape, indicating it had been torn and re-stitched. I carefully opened the letter. It was from my maternal uncle in Inner Mongolia to my mother. He used to visit me often when I was little, but later he went to Inner Mongolia to do business, buying various local products and selling them to the coastal areas. I heard his business was quite good.

The letter revealed my entire background: I was born from an incestuous relationship between my mother and my cousin. Besides my cousin's confession, the letter also contained a bankbook with 200,000 yuan. So my biological father was my own uncle! What was my sister's relationship with me? Did she know about this? Did my father find out and divorce my mother? I'd already had a relationship with my sister; what else could I be upset about? Perhaps I inherited my biological father's nature—he committed incest with my mother, and I committed incest with my sister.

"Bingbing! Come help me with my things," my mother called from downstairs.

I immediately ran out of my room. My mother was carrying a large bag of things and was heading towards the kitchen. I didn't know what my mother was thinking. After a sumptuous dinner, my sister came back with my brother-in-law, bringing me a gift. We stayed together for a while, then my sister and brother-in-law had to leave because of a social engagement. My mother also left because she was going to visit someone. Back in my room, my mind was filled with thoughts of my mother and uncle. Suddenly, I found their relationship very exciting, and I imagined my uncle's strong body pressing against my mother's voluptuous figure.

"Bingbing, wake up."

Somehow, I had fallen asleep. When I opened my eyes, my mother was sitting on my bed in her pajamas.

"Get up quickly," my mother said, handing me a box wrapped in parchment paper. I opened the bag and found a book inside, an unabridged Chinese version of *One Thousand and One Nights*, a book I'd always wanted.

"Mom, can you read it to me like you did when I was little?" I asked.

"Okay!" Mom tugged at her pajamas, then leaned back on the bed and opened the book, *One Thousand and One Nights*. I lay on Mom's lap, listening to her read me a story, my right arm naturally wrapped around her waist, while my left hand slipped inside her pajamas, tugging at her nipple with my fingers, just like when I was little. Mom probably hadn't anticipated my thoughts and continued reading the story intently. Her nipple hardened in my hand, and I felt a little tired, falling asleep against Mom's lap.

In my dream, I felt someone lying beside my bed, a strong smell of alcohol filling my nostrils. I knew it must be my sister. The thought of her instantly banished my sleepiness, and I abruptly opened my eyes. In the dimly lit room, I saw someone sleeping soundly beside me. Without a word, I pressed myself against her, my hands untying her clothes, pulling down her panties, and then groping my large, erect penis to insert into her stimulating vagina.

"Ah!" She seemed to wake up, trying to get me off her, but my penis was already inside, my hands tightly gripping her breasts through her bra.

"You..." She turned her head to say something, but before she could speak, my mouth sealed hers, my tongue swirling in her mouth. She struggled a few times before stopping, her tongue awkwardly intertwining with mine. My sister's vagina was already secreting a lot of fluid, and I was thrusting inside her comfortably, without any resistance. However, her vagina seemed much looser than before, but thrusting in and out was incredibly pleasurable. Precisely because the tightness was gone, I hadn't felt the urge to ejaculate even after thrusting for a while.

"Sis, it's been a few days since we've done it, and your little hole has become loose. Is it your husband's doing?" I asked, pulling away from her lips. She didn't answer, just nodded. I pressed against her back, kissing her neck, listening to her heavy breathing, my penis thrusting vigorously inside her. I pulled it out completely, then forcefully pushed it back in, the head reaching her cervix, then grinding it up and down, left and right. At that moment, I wanted to melt into her body, as if nothing I did was enough.

I pulled my penis out, then turned my sister's shoulders, and she obediently rolled over with my hand. I lifted the hem of her loose nightgown and covered her, then placed her legs on my waist. After moving the head of my penis up and down a few times at the already wet opening of her vagina, I inserted it into her warm, moist little hole. Her legs wrapped around my waist, and my penis plunged deep inside each time, the head of my penis making full contact and friction with her vagina, creating wave after wave of pleasure. She also began to sway her hips up and down, welcoming each of my thrusts.

My penis began to feel, trembling as if electrocuted. I knew I was about to ejaculate, so I thrust even harder. My hand touched her breasts, my fingers playing with her nipples. But my hand didn't touch that small bump on her left nipple. Could it not be her sister? Just as I was thinking, her vagina began to pulsate. I knew this was the prelude to her orgasm. I suddenly reached out and turned on the bedside lamp.

"Mom," I called out. My mother was beneath me, enduring my thrusts.

"Hurry...hurry! It's almost here." Mom didn't care about anything else and continued to sway her hips. At this moment, I continued to thrust forcefully, and with the arrival of orgasm, a thick, hot stream of semen shot into Mom's vagina, while Mom secreted even more fluid that enveloped my penis. We reached orgasm together. "Mom," I called softly.

"We...we did something?" Mom said. I nodded.

"Ah! What a tragedy. I never thought that after so many years, I would still be the same as before." Mom said, getting up from the bed and walking towards the door.

"Let's pretend nothing happened today," Mom said, turning back. I don't know where the courage came from, but I suddenly jumped up and hugged my mother. She stopped in her tracks, her hand resting on mine.

"Mom, I don't care, from now on you're my wife," I said firmly.

"Bingbing, why...why are you doing this?" my mother said.

"Mom, do you want to too? If not, why didn't you stop me earlier?" I said.

"Then..." My mother was speechless for a moment, standing there.

"Mom, Dad left you, so I'll take care of you," I said firmly. My mother gripped my hand tightly, and I felt a warm drop of liquid fall onto my hand. My mother turned around and hugged me tightly.

“Do you know why I divorced your father?” Mom said, lying down beside me, circling her finger around my nipple.

“Is it because of your uncle?” I asked.

“How did you know?” Mom asked.

“I saw something hidden under my bed,” I replied.

“Good to know, you were going to find out sooner or later.” Mom said, taking out the books she had bought for me, and then pulling out a bankbook from them.

“This is the living expenses your biological father gave you. Today is your birthday. A few days ago, more than twenty years ago, we had sex, and soon you were born. Your grandmother was worried about things going wrong, so she married me off to your current father. Now this money is yours. Do whatever you want with it. You're an adult now.” Mom handed me the bankbook.

“What am I going to do with so much money? I’ll put it aside for now and take it when I need it.” I put the bankbook back into the book. “Mom, why did you suddenly come to my room?” “I was reading you a story, and when I saw you fell asleep, I wanted to rest too, but then I thought of your father and felt a little uneasy…”

“You’ve been drinking.” I interrupted my mother.

“Yes!” my mother said. “You’re just like your uncle, not very tall, but so understanding. I just heard you call me sister, didn’t I? You and your sister are also…” my mother said. I realized I couldn’t hide it anymore, so I told my mother everything about my sister and me.

“You’re even more capable than your uncle,” my mother said.

“Then what’s the relationship between my sister and me?” I asked.

“She’s not your sister, but your father’s daughter from his first marriage. His ex-wife passed away from illness,” Mom said.

“Then my sister and I aren’t related by blood?” I asked.

“Yes, that’s why I don’t care about your relationship. I’m comfortable with you two sharing a room.” “You’re such a good mother,” I said, kissing Mom’s cheek. My hand touched Mom’s breast, and my penis hardened again. Mom saw my erection and knew what I was about to do. She lifted the hem of her clothes, turned to the side, and spread her buttocks, revealing her darkened vulva.

“Hurry up, don’t delay your rest,” Mom said.

I woke up to find it was already bright outside. My mother had left my room sometime earlier; I heard sounds of things being moved coming from the living room—she was tidying up. I got dressed and went out. Sure enough, my mother was wiping the wardrobe glass. I walked up behind her and suddenly hugged her waist.

"Ah..." My mother jumped in surprise, then turned around and saw it was me. "You scared me to death! Why aren't you sleeping?"

"I'm already asleep," I replied.

"The food's in the kitchen, go eat," my mother said, then turned back to wiping the glass. I went to the kitchen and ate something, then took a shower. When I came out, my mother was still tidying up. As the saying goes: "When you're well-fed and warm, you think of lust." Looking at my mother's voluptuous body, everything I had just eaten became a catalyst for my lust. I walked up behind her and placed my hand directly on her breast.

"Mom, I want to..." I said.

"No, it's broad daylight, it's not good to be seen," my mother said, swaying her body.

“Who would come now!” I said, reaching for my mother’s waist and unbuckling her belt. As soon as the belt loosened, her pants fell down, leaving her only in black lace panties. I swung my hand, pulling the panties down as well. Yesterday, I mistook my mother for my sister, so there wasn’t much tenderness, and naturally, I didn’t have a chance to carefully examine the differences between my mother’s vulva and my sister’s. I squatted down, parted my mother’s legs with my hands, and carefully observed her private area.

Mature women's vulvas are indeed very fragrant. My mother's vulva also had a fishy and pungent smell. Although it was masked by the scent of shower gel, I could still smell it. My mother's labia majora were very thick. When I loosened my fingers, the two labia majora automatically closed together, protecting the vulva and leaving only a fleshy slit. There were many black pubic hairs along the edge of the slit, which extended all the way down to my mother's lower abdomen. I then forcefully separated the two labia majora. My mother's clitoris hardened under the stimulation of my fingers. I stuck out my tongue and licked it, then slid my tongue down her clitoris, across her vagina, all the way to her anus, and then back again. After a few rounds, my lips were covered with the fluid secreted from my mother's vagina, and my mother leaned weakly against the cabinet, panting.

"Don't lick anymore..." my mother pleaded. I stood up, untied my mother's apron, and then reached inside her clothes. But I didn't go for her full breasts; instead, I stopped under her armpit. I touched my mother's soft armpit hair and couldn't resist plucking one out forcefully.

"Ah!" my mother cried out in pain. I kissed my mother's smooth skin, then pulled my pants down to my ankles and rubbed my penis against her legs.

"Quick, quick, put it in...no...don't torture me anymore..." my mother pleaded. I gripped my penis and tried to lift it as high as I could. But I couldn't; I was too short, and my penis couldn't reach my mother's genitals. I turned around and found a small plastic stool under the table. I took it out, stood on it, and hehe, the height was just right. I adjusted the angle and then forcefully inserted my penis into my mother's wet vagina from behind, then hugged my mother's waist and began to thrust vigorously.

"Mmm...mmm..." Mom's moans weren't very loud. She leaned against the cabinet, her two full breasts pressed against the glass. Her breath formed droplets on the glass, which then slowly dripped down her nipples. Mom's buttocks moved back and forth with my thrusts. My penis moved from her breasts to her buttocks, and my fingers began to play with her anus. Mom's anus also had a lot of hair, but it wasn't as tough as her genitals; it was very soft, and I gently stroked it.

After a period of intense exercise, I was sweating, and my mother was also panting heavily. The sweat from her genitals further aided my thrusting, and I gained more and more strength. The scent of my penis mingled with the scent of my mother's vaginal secretions. My mother's vagina had begun to writhe irregularly, and more and more fluid was flowing. I knew my mother was about to climax, and I was preparing to forcefully ejaculate into her a few times. But before I could even begin, my mother suddenly squeezed my penis tightly, and then her hips began to sway from side to side. I couldn't control my movements, and streams of semen spurted into my mother's vagina.

"Huff...huff..." I lay panting on top of my mother, who was also breathing heavily. After a while, my mother reached over and pulled my penis out, then used her fingers to clean the remaining fluid from it. I kissed my mother's lips, tasting her saliva with my tongue. "Was it good, Mom?" I asked. My mother nodded shyly. Just as I got off the stool, the sound of a lock opening came from the back door.

"Mom, little brother, I'm home." My sister's familiar voice rang out.

"Your sister's back, hurry up and get dressed." My mother said hurriedly.

"It's okay, Mom." I pulled my mother's hand to stop her from moving.

"Why?" Mom asked.

"We have a chance to play threesome now," I said with a smile, my penis, still slightly wet with fluid, hardening again.

[The End]

"What's going on?" I was fast asleep when I suddenly felt a tingling sensation on my penis, heard a "sizzling" sound, and smelled alcohol. I opened my eyes. It was still dark, the room was dim, and the faint light from the hallway shone through the crack in the door onto me. Someone was lying between my legs, "tasting" my penis, a pair of soft hands playing with my testicles. I straightened up, and she was still there, shifting forward slightly with my movement. My hand reached for her breast, and when my fingers touched a small bump under her left nipple, I knew who she was.

"Sister, why are you back?" I asked.

"You little devil, how did you know it was me?" my sister asked, spitting out my penis.

"You had a little bump under your left nipple, I've touched it countless times, didn't you notice?" I said.

"Good to know, I only came back because I missed you," my sister said.

"Why are you back in the middle of the night? Does Mom know?" I asked.

"The company had a party today, it just ended. I was going to go to your brother-in-law's, but it's too late and the road is long, so I ran back," my sister said, kissing my glans.

"Does Mom know?" I asked.

“I came in through the back door and came straight here. Mom doesn’t know yet.” “Then get some rest. It’s so late, and you’re still fooling around.” I said.

“What? How heartless! I was thinking about you.”

My sister kissed me on the lips without saying a word, her breath reeking of alcohol. She hugged me tightly, her warm and full body pressed against mine. My dormant penis instantly became erect, pressing against my sister’s buttocks.

“Your body has betrayed you!” My sister felt the change in my body, and her hand reached down and pinched my glans, rubbing it with her fingers. My hand reached inside my sister’s clothes and touched her breasts, rubbing her nipples with my fingers, just like her fingers rubbed my glans. My sister lay on the bed, spread her legs, and pulled me onto her. I groped my way to insert my penis into her vagina and began thrusting…

I'm twenty-one years old, in university. Because my school is close to home, I'm one of the very few day students. My sister is already working; she's three years older than me. My parents are both high school teachers. They're divorced now. I don't know the specific reasons, but I remember they had a huge fight, and then my father moved out. My mother hugged me and cried her heart out. A few days later, they divorced, splitting the assets in two. My father took my sister, and my mother chose me. My sister and I have always been very close since childhood. Back then, we lived in an old house, and my sister and I slept in the same bed every day. We always chatted and laughed, and because we were young, we didn't think anything of it. That is, until I went to high school.

One day, while showering at school, my classmates were shocked when they saw my large penis. But then they saw my overly long foreskin and started laughing at me, saying that my development was abnormal. I was in high school, and my glans still hadn't come out. Then they showed me their red glans. I ran home and lay on my bed, sulking.

"What's wrong?" my sister asked when she came home and saw me lying on the bed.

"Sis..." I wanted to say something, but I was too embarrassed to. Although my sister and I were close, I still felt a little awkward.

"What's wrong? Why are you so embarrassed with your sister?" my sister asked. So I stammered out what had happened.

"Hahaha..." My sister laughed loudly after hearing it, got up and locked the door, then walked up to me. "Let me show you."

"Oh?" I hesitated for a moment, but finally, under my sister's concerned gaze, I pulled down my pants, exposing my thick penis to her eyes.

"Wow, it's huge! I didn't expect it to be bigger than my boyfriend's," my sister said. She then placed both hands on my penis, gently pulling down my foreskin with her left hand. Slowly, as my glans was exposed, I felt waves of pain.

"It hurts, sister," I said.

"Just bear with it," my sister said, pushing me down onto the bed. She then squatted down, still slowly pulling down my foreskin with both hands. She would pull it down forcefully, then release it, letting my foreskin retract automatically, then pull it down even harder, repeating this motion repeatedly.

"How is it? Still hurting?"

"It doesn't hurt anymore," I said. It definitely didn't hurt as much as at the beginning. The sensation on my penis was peculiar; a slight pain mixed with a feeling of pressure, making me want to release it, accompanied by an itchy feeling. My sister's hands applied just the right amount of pressure, using all ten fingers to stroke and massage all around, distracting me from my foreskin. With her gentle manipulation, my glans was finally half exposed, but that half was the most difficult part to reach, intensifying my pain, and blood appeared on the foreskin.

Seeing my pained expression, my sister hesitated for a moment before opening her mouth and taking the exposed half of my glans into her mouth. The warmth enveloped my glans, and I immediately forgot the pain. My sister's warm lips sucked on my glans, making soft sounds. My penis grew even larger under her sucking, and the veins on the foreskin became clearly visible. Every time my sister licked my urethra, I felt an unparalleled stimulation, as if she were licking my very soul. Her hands didn't stop moving with the addition of her mouth; they continued to gently stroke up and down.

I sat there, feeling utterly powerless. I wished I could stay like that forever. The pleasure was unlike anything I'd ever felt before. My sister was focused on sucking my glans, her eyes gleaming with greed. The pleasure emanating from my penis had reached a fever pitch; I felt something about to burst forth.

"Sister, I..." Before I could finish, my sister suddenly and forcefully pulled my foreskin back to its maximum extent. I felt a sharp pain in my penis, followed by a feeling of flying. The pleasure spread from my penis throughout my body, coursing through every nerve in my body. A stream of white liquid shot out of my urethra. My sister covered her face with her hands, the white liquid spraying onto her hands. I collapsed weakly onto the bed, my penis trembling up and down, a little more liquid still leaking out. At this point, the entire glans was fully exposed, the foreskin creased beneath it.

"Now it's all right, go wash it in the bathroom," my sister said, flicking my penis. I got out of bed, put on my pants, and ran to the bathroom. When I got there, I noticed a layer of white stuff stuck to the area below the glans. It was sticky, and when I rubbed it, it had a slightly unpleasant smell. So I washed it thoroughly.

That night, my dinner tasted especially delicious. Although my sister and I were still joking and laughing as usual, there was something strange about it. After dinner, I went to evening self-study. In the bathroom, I showed my reborn penis to those guys who had mocked me, and they were speechless.

I slept in the same room as my sister, but my mother had set a rule that we had to sleep in opposite directions, with my head facing my sister's feet and her head facing my feet. My sister was already lying there, and I took off my clothes and lay down too. My hand unconsciously touched my penis, my mind filled with the feeling of her masturbating me earlier that day. My hand started mimicking her movements, but no matter how I tried, it didn't feel right. I looked at my sister; she was covered with a blanket, her body rising and falling, seemingly fast asleep. I gently lifted her blanket and lightly scratched the soles of her feet a few times.

"Hehe, it tickles," my sister laughed; she wasn't asleep yet.

"Can...can you do it again?" I stammered.

"Sure, but on one condition," my sister said.

"What condition?" I asked excitedly.

"Don't tell Mom, Dad, and you have to lick me down there," my sister said, pointing to her genitals.

"Okay," I nodded. My sister nodded in satisfaction, then lay back down. She put her hand under the covers, and I immediately followed, shifting my body closer to her head, bringing my penis even closer to her genitals. At the same time, I moved my penis even closer to her genitals. My sister's head was now under the covers, her hand grasping my penis, her nimble tongue already moving on the glans, her fingers gently teasing around my testicles.

I put my head between my sister's legs and reached over. I touched a bunch of soft, hairy things. My fingers finally found an entrance; it was wet and slippery, with two long, tender strips of flesh. My fingers slowly slipped between the flesh. My sister's body trembled, spreading her legs even wider than before. My fingers touched a hard bud, which I pinched a few times before sticking out my tongue and licking near the opening.

My sister moaned, her lips sucking hard on my glans. I sucked even harder on her genitals, gently biting the two long, tender strips of flesh with my teeth. Her tongue licked and teased the soft flesh beneath my glans, and I felt myself about to climax again. I tried to pull my penis out, but she held me tightly, preventing me from escaping her mouth. I couldn't take it anymore, and all my semen sprayed into her mouth.

My sister's vagina began to twitch, and then a salty, slightly fishy liquid flowed into my mouth. Since my sister had swallowed my things, I didn't hold back and drank the liquid flowing from her vagina. We hugged each other, panting. My sister kissed my penis, and I kissed my sister's white and smooth buttocks. Neither of us said a word, but we hugged each other, enjoying the comfortable exhaustion after the orgasm.

The uncomfortable feeling in my bladder woke me from my sleep. I found my penis was still in my sister's hand. I slowly pulled my penis out, then put on my slippers and went to the bathroom to empty my bladder. As I passed my parents' room, I heard sounds coming from inside. Peeking through the crack in the door, I saw my parents doing what my sister and I had just been doing, only they were doing it even more wildly. My mother was kneeling between my father's legs, sucking his penis forcefully, saliva dripping from the corners of her mouth onto his testicles. My father, meanwhile, was holding my mother's buttocks like he was eating a watermelon, licking her genitals and making sounds.

My mother turned around, placed her hands on my father's penis, and sat down, positioning herself on his chest. Then she placed her hands on his chest and began moving them up and down, her large breasts swaying back and forth. Seeing this, my penis immediately became erect again. My swollen penis pressed against the door, and I moved it up and down gently, the head rubbing against the door. Just then, a pair of hands reached out from behind me and grabbed my penis.

My sister had somehow gotten behind me. She lowered her head and kissed me on the lips. I immediately turned around and hugged her tightly. Our tongues mingled in her mouth, and my hands slipped under her bra, clumsily touching her breasts. Then I slipped inside her clothes, my lips pressing against her nipple. I'm shorter than my sister, so I could only kiss her nipple passionately.

I grabbed my sister's hand and ran back to our room. After closing the door, I immediately collapsed onto the bed. I grabbed her clothes and ripped them off, while she pulled down my underwear and took my penis into her mouth.

I lay on the bed, and she knelt between my legs, sucking on my penis. My penis felt like it was on fire, but her mouth was even hotter. After sucking for a while, she released my penis, then took off her underwear and straddled me. Like a mother, she grasped my penis, rubbed it against her labia a few times, and then placed the head of my penis at the entrance of her vagina. I held her waist, and with a thrust, my penis slid into her pleasurable vagina. The incredibly smooth, warm contact and the exhilarating friction made me feel the true pleasure between a man and a woman. I realized that real sex was much more comfortable than just sucking. Of course, I wouldn't let it go, sucking on her nipples while thrusting. My tongue, like my penis, went in and out of her mouth.

My sister's hand touched my anus, her fingers gently stroking it. Then, she suddenly inserted a finger. Distracted, I felt a surge of pleasure coursing through my penis, and my semen gushed wildly into her vagina. Bathed in my semen, she struggled and manipulated herself a few times before reaching orgasm herself. I held her tightly, my penis unwilling to leave her vagina, even though semen was already flowing down my penis onto the bed.

From then on, my sex life with my sister began. Although she already had a boyfriend, she would still find opportunities to come back and have intimate contact with my penis. This continued until my senior year of high school, when my parents divorced, and my sister moved out with my father.

After I entered university, my older sister started preparing for her wedding. Although my mother and father had a falling out, my mother still attended my sister's wedding, and I went with her. We even found an opportunity to have sex in the bathroom. After my sister got married, she and her husband bought a house and moved out of my father's house. My mother and I still lived in the old house. My sister had a lot of social engagements at work, and each time she would only stay one night before coming back to "treat" my penis.

"A daughter is like a tree that grows up and leaves home." That was my mother's comment on my sister's marriage. Although my sister would come back to see me from time to time after getting married, she didn't come back every day.

My mother is a middle school teacher, 46 years old this year. She has a great figure, and her breasts are still so full and alluring even after feeding my sister and me. Tomorrow is my birthday, and I went home early to tidy up the mess in my room, from the table to under the bed. My mother left a note saying she went out to buy groceries.

I didn't feel like much, so I lay on the bed reminiscing about the passionate times I had with my sister. Thinking of this, I suddenly remembered that there were a few borrowed pornographic novels under my bed. So I jumped out of bed and crawled under the bed to look for them. When I found the hidden books and was about to come out, I found an envelope taped to my bed board. I curiously took it out. I sat on the bed, opened the envelope, and a letter fell out. It was covered in transparent tape, indicating it had been torn and re-attached. I carefully opened it. The letter was from my maternal uncle in Inner Mongolia to my mother. He often visited me when I was little, but later went to Inner Mongolia to do business, buying various local products and selling them to coastal areas; I heard his business was doing well.

The letter revealed my entire background: I was born from an incestuous relationship between my mother and my uncle. Besides my uncle's confession, the letter also contained a bankbook with 200,000 yuan. So my biological father was my uncle! What was my sister's relationship with him? Did she know about this? Did my father find out about this, which led to his divorce from my mother? I've already had a relationship with my sister, what else is there to be upset about? Maybe I inherited my biological father's nature; he committed incest with my mother, and I committed incest with my sister.

"Bingbing! Come help me with my things," Mom called from downstairs.

I immediately ran out of my room. Mom was carrying a large bag of things and was heading towards the kitchen. I didn't know what Mom was thinking. After a sumptuous dinner, my sister returned with my brother-in-law, bringing me a gift. We stayed together for a while. My sister and brother-in-law had to leave because of social engagements, and my mother left because she was going on a home visit. Back in my room, my mind was filled with thoughts of my mother and uncle. Suddenly, I found their relationship very exciting, and an image of my uncle's strong body pressing against my mother's voluptuous figure flashed through my mind.

"Bingbing, wake up."

Somehow, I had fallen asleep. When I opened my eyes, my mother was sitting on my bed in her pajamas.

"Get up quickly," she said, handing me a box wrapped in paper. I opened the box; it contained a book, the unabridged Chinese version of *One Thousand and One Nights*, a book I had always wanted.

"Mom, can you read it to me like you did when I was little?" I asked.

"Okay!" Mom tugged at her pajamas, then leaned back on the bed and opened the book, *One Thousand and One Nights*. I lay on Mom's lap, listening to her read me a story, my right arm naturally wrapped around her waist, while my left hand slipped inside her pajamas, tugging at her nipple with my fingers, just like when I was little. Mom probably hadn't anticipated my thoughts and continued reading the story intently. Her nipple hardened in my hand, and I felt a little tired, falling asleep against Mom's lap.

In my dream, I felt someone lying beside my bed, a strong smell of alcohol filling my nostrils. I knew it must be my sister. The thought of her instantly banished my sleepiness, and I abruptly opened my eyes. In the dimly lit room, I saw someone sleeping soundly beside me. Without a word, I pressed myself against her, my hands untying her clothes, pulling down her panties, and then groping my large, erect penis to insert into her stimulating vagina.

"Ah!" She seemed to wake up, trying to get me off her, but my penis was already inside, my hands tightly gripping her breasts through her bra.

"You..." She turned her head to say something, but before she could speak, my mouth sealed hers, my tongue swirling in her mouth. She struggled a few times before stopping, her tongue awkwardly intertwining with mine. My sister's vagina was already secreting a lot of fluid, and I was thrusting inside her comfortably, without any resistance. However, her vagina seemed much looser than before, but thrusting in and out was incredibly pleasurable. Precisely because the tightness was gone, I hadn't felt the urge to ejaculate even after thrusting for a while.

"Sis, it's been a few days since we've done it, and your little hole has become loose. Is it your husband's doing?" I asked, pulling away from her lips. She didn't answer, just nodded. I pressed against her back, kissing her neck, listening to her heavy breathing, my penis thrusting vigorously inside her. I pulled it out completely, then forcefully pushed it back in, the head reaching her cervix, then grinding it up and down, left and right. At that moment, I wanted to melt into her body, as if nothing I did was enough.

I pulled my penis out, then turned my sister's shoulders, and she obediently rolled over with my hand. I lifted the hem of her loose nightgown and covered her, then placed her legs on my waist. After moving the head of my penis up and down a few times at the already wet opening of her vagina, I inserted it into her warm, moist little hole. Her legs wrapped around my waist, and my penis plunged deep inside each time, the head of my penis making full contact and friction with her vagina, creating wave after wave of pleasure. She also began to sway her hips up and down, welcoming each of my thrusts.

My penis began to feel, trembling as if electrocuted. I knew I was about to ejaculate, so I thrust even harder. My hand touched her breasts, my fingers playing with her nipples. But my hand didn't touch that small bump on her left nipple. Could it not be her sister? Just as I was thinking, her vagina began to pulsate. I knew this was the prelude to her orgasm. I suddenly reached out and turned on the bedside lamp.

"Mom," I called out. My mother was beneath me, enduring my thrusts.

"Hurry...hurry! It's almost here." Mom didn't care about anything else and continued to sway her hips. At this moment, I continued to thrust forcefully, and with the arrival of orgasm, a thick, hot stream of semen shot into Mom's vagina, while Mom secreted even more fluid that enveloped my penis. We reached orgasm together. "Mom," I whispered.

"We...we did something?" Mom said. I nodded.

"Oh! What a tragedy. I never thought that after all these years, I'd be back to where I was before." Mom said, getting up from the bed and walking towards the door.

"Let's pretend nothing happened today," Mom said, turning back. I don't know where the courage came from, but I suddenly jumped up and hugged Mom. Mom stopped in her tracks, her hand on mine.

"Mom, I don't care, you're my wife from now on," I said firmly.

"Bingbing, you… why are you doing this?" Mom said.

"Mom, do you want to? If not, why didn't you stop me earlier?" I said.

"Then…" Mom was speechless for a moment, standing there.

"Mom, Dad left you, so I'll take care of you," I said firmly. My mother gripped my hand tightly, and I felt a warm drop of liquid fall onto my skin. She turned and hugged me close.

"Do you know why I divorced your father?" she asked, lying beside me as she circled her finger on my nipple.

"Was it because of Uncle?" I asked.

"How did you know?" she asked.

"I saw something hidden under my bed," I replied.

"Good to know. You were going to find out sooner or later," she said, taking out the books she had bought for me and then pulling out a bankbook from them.

“This is your living expenses from your biological father. Today is your birthday. A few days ago, more than 20 years ago, we had sex and you were born soon after. Your maternal grandmother was worried about things going wrong, so she married me off to your current father. Now this money is yours. You can do whatever you want with it. You're an adult now.” Mom handed me the bankbook.

“So much money, what am I going to do with it? I'll put it away for now and take it when I need it.” I put the bankbook back into my book. “Mom, why did you suddenly come to my room?” “I was reading you a story, and when I saw you were asleep, I wanted to rest for a bit. But then I thought about your father again, and I felt a little uneasy…”

“You've been drinking.” I interrupted Mom.

“Yes!” Mom said, “You and your uncle are so alike, not very tall, but so understanding. I just heard you call me ‘sister,’ right? You and your sister are also…” Mom continued. Seeing that I couldn’t hide it any longer, I told Mom everything about my sister and me.

“You’re even more capable than your uncle,” Mom said.

“Then what’s my relationship with my sister?” I asked.

“She’s not your sister, but your father’s daughter from his first marriage. His first wife passed away from illness,” Mom said.

“So my sister and I aren’t related by blood?” I asked.

“Yes, that’s why I don’t care about your relationship. I’m comfortable arranging for you to share a room.” “You’re such a good mother,” I said, kissing Mom’s cheek. My hand touched my mother's breasts, and my penis hardened again. Seeing my erection, my mother knew what I was about to do. She lifted the hem of her shirt, turned to the side, and spread her buttocks, revealing her darkened vulva.

"Hurry up, don't keep me from resting," my mother said.

When I woke up, it was already broad daylight. My mother had left my room sometime earlier. I heard sounds of things being moved in the living room; it seemed she was tidying up. I got dressed and went out. Sure enough, my mother was wiping the glass of the wardrobe. I walked behind her and suddenly hugged her waist.

"Ah..." Mom was startled, then turned around and saw it was me. "You scared me to death! Why aren't you asleep?"

"I'm already asleep," I replied.

"The food's in the kitchen, go eat." Mom said, then turned and went back to wiping the windows. I went to the kitchen and ate something, then took a shower. When I came out, Mom was still cleaning. As the saying goes, "When you're well-fed and warm, you think of lust." Looking at Mom's voluptuous body, everything I had just eaten became a catalyst for my desire. I walked up behind Mom and placed my hand directly on her breast.

"Mom. I want to..." I said.

"No, it's broad daylight, it's not good to be seen," Mom said, swaying her body.

“Who would come now!” I said, reaching for my mother’s waist and unbuckling her belt. As soon as the belt loosened, her pants fell down, leaving her only in black lace panties. I swung my hand, pulling the panties down as well. Yesterday, I mistook my mother for my sister, so there wasn’t much tenderness, and naturally, I didn’t have a chance to carefully examine the differences between my mother’s vulva and my sister’s. I squatted down, parted my mother’s legs with my hands, and carefully observed her private area.

Mature women's vulvas are indeed very fragrant. My mother's vulva also had a fishy and pungent smell. Although it was masked by the scent of shower gel, I could still smell it. My mother's labia majora were very thick. When I loosened my fingers, the two labia majora automatically closed together, protecting the vulva and leaving only a fleshy slit. There were many black pubic hairs along the edge of the slit, which extended all the way down to my mother's lower abdomen. I then forcefully separated the two labia majora. My mother's clitoris hardened under the stimulation of my fingers. I stuck out my tongue and licked it, then slid my tongue down her clitoris, across her vagina, all the way to her anus, and then back again. After a few rounds, my lips were covered with the fluid secreted from my mother's vagina, and my mother leaned weakly against the cabinet, panting.

"Don't lick anymore..." my mother pleaded. I stood up, untied my mother's apron, and then reached inside her clothes. But I didn't go for her full breasts; instead, I stopped under her armpit. I touched my mother's soft armpit hair and couldn't resist plucking one out forcefully.

"Ah!" my mother cried out in pain. I kissed my mother's smooth skin, then pulled my pants down to my ankles and rubbed my penis against her legs.

"Quick, quick, put it in...no...don't torture me anymore..." my mother pleaded. I gripped my penis and tried to lift it as high as I could. But I couldn't; I was too short, and my penis couldn't reach my mother's genitals. I turned around and found a small plastic stool under the table. I took it out, stood on it, and hehe, the height was just right. I adjusted the angle and then forcefully inserted my penis into my mother's wet vagina from behind, then hugged my mother's waist and began to thrust vigorously.

"Mmm...mmm..." Mom's moans weren't very loud. She leaned against the cabinet, her two full breasts pressed against the glass. Her breath formed droplets on the glass, which then slowly dripped down her nipples. Mom's buttocks moved back and forth with my thrusts. My penis moved from her breasts to her buttocks, and my fingers began to play with her anus. Mom's anus also had a lot of hair, but it wasn't as tough as her genitals; it was very soft, and I gently stroked it.

After a period of intense exercise, I was sweating, and my mother was also panting heavily. The sweat from her genitals further aided my thrusting, and I gained more and more strength. The scent of my penis mingled with the scent of my mother's vaginal secretions. My mother's vagina had begun to writhe irregularly, and more and more fluid was flowing. I knew my mother was about to climax, and I was preparing to forcefully ejaculate into her a few times. But before I could even begin, my mother suddenly squeezed my penis tightly, and then her hips began to sway from side to side. I couldn't control my movements, and streams of semen spurted into my mother's vagina.

"Huff...huff..." I lay panting on top of my mother, who was also breathing heavily. After a while, my mother reached over and pulled my penis out, then used her fingers to clean the remaining fluid from it. I kissed my mother's lips, tasting her saliva with my tongue. "Was it good, Mom?" I asked. My mother nodded shyly, and just as I got off the stool, the sound of a lock opening came from the back door.

"Mom, little brother, I'm home," my sister's familiar voice rang out.

"Your sister's back, hurry up and get dressed," Mom said hurriedly.

"It's okay, Mom," I said, pulling her hand to stop her.

"Why?" Mom asked.

"We have a chance to play threesome," I said with a smile, my penis, still slightly wet with fluid, hardening again.

[The End]

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