My name is Anna. I am 23 years old and from Munich, Germany. My elder sister Maria is 29. She got married to Lukas three years ago. Lukas is 32. He works as an automotive technician. Maria works as a nurse and often does night shifts or long day shifts at the hospital. That is how everything started.
I came to stay for a 3-month holiday. They have a nice two-floor house with a garden. My room is upstairs, next to their bedroom. Maria is a good sister, but she is very busy and sometimes tired. Lukas was always kind to me. He smiled more when I was around. I noticed it, but I did not think much about it.
One Thursday afternoon, Maria left for a 12-hour shift. She kissed Lukas quickly and told him, “Take care of Anna, okay? Make sure she eats dinner.” Then she drove away.
Lukas came back into the house after closing the door. I was in the kitchen wearing a simple white t-shirt and short jeans. I was washing dishes. He stood behind me for a long time without saying anything. Then he stepped closer.
“Anna,” he said softly, “you look beautiful today.”
Before I could answer, he put his hands on my waist and pulled me close.
He lifted me up and sat me on the kitchen counter. His hands went under my t-shirt. He touched my breasts and squeezed them gently. I moaned quietly. He took off my t-shirt and bra. His mouth moved to my nipples. He sucked them slowly while his fingers opened my jeans.
“Maria will never know,” he whispered. “This is just for us.”
I nodded. I was already wet. He pulled down my jeans and panties. He opened his own pants. His cock was hard and thick. He rubbed it against my pussy for a moment, then pushed inside me in one smooth move. I gasped. It felt so full. He started fucking me right there on the kitchen counter. The sound of our bodies hitting together filled the quiet house.
I held his shoulders and moved my hips to meet him. I came first, shaking and crying out his name. He came inside me a few seconds later, filling me with his warm cum. We stayed like that for a minute, breathing heavily.
That was the first time.
After that day, it became our secret.
When Maria had day shifts, Lukas would come back from his garage early. Sometimes he would call me while driving home. “Get ready for me, little sister,” he would say. I would wait in my room or in the living room, wearing nothing but a robe.
One day he came home and found me on the sofa. He did not even speak. He just pulled me up, bent me over the back of the sofa, and fucked me from behind. He spanked my ass lightly while hitting deep. I loved how rough he could be. His cock stretched me every time. I came twice before he finished inside me again.
At night it was even more dangerous and exciting.
Maria usually slept deeply after her long shifts. Lukas would wait until she was snoring softly. Then he would quietly open my door. I always left it unlocked for him.
The first night he sneaked in, I was already waiting. I was lying naked under the blanket. He closed the door without making any sound and came to my bed. He pulled the blanket away and looked at my body in the moonlight coming through the window.
“You are very sexy,” he said.
He climbed on top of me. We kissed slowly so we would not make noise. His hand covered my mouth when he entered me. He fucked me that night. Every bang was careful but strong.
When I was about to cum, he put his mouth on mine to swallow my cries. He came inside me again. Then he stayed for a few minutes, stroking my hair, before he quietly went back to his wife.
This happened many nights.
One night Maria was sleeping in the next room. Lukas came to me around 2 AM. He was already hard. He made me get on all fours on my bed. He entered me from behind and fucked me while holding my hips. The bed made small sounds but not too loud. I buried my face in the pillow to moan. He reached around and rubbed my clit. I came so hard my legs shook.
After he finished, he did not leave immediately. He lay beside me and fingered me slowly until I came again quietly. Then he kissed my forehead and returned to Maria.
I felt guilty sometimes, but the pleasure was stronger. I loved how he wanted me more than anything.
Weekends were harder because Maria was home more. But even then, Lukas found ways. Once, when Maria went to take a long bath, he pulled me into the small storage room downstairs. He fucked me standing up against the wall. His hand was over my mouth the whole time. We finished quickly and went back to the living room like nothing happened. Maria came out later and asked why my face was red. I said I was just warm.
Another time, Maria went shopping with her friend for three hours. Lukas took me to their own bed. It felt wrong but very exciting. He laid me on the same sheets where he sleeps with my sister and fucked me missionary style. He looked into my eyes the whole time.
“I need you more than her,” he said while moving inside me. “Your pussy is so much better.”
I came hard hearing those words.
We did many different things. He taught me to suck his cock. At first I was shy, but I learned fast. I loved the way he groaned when I took him deep in my mouth. Sometimes he would fuck my mouth gently while I was on my knees in my room. Then he would cum on my breasts or in my mouth.
He also liked to lick me. He would spend long minutes between my legs, sucking my clit until I shook and begged him to fuck me.
One cold winter night, Maria had an extra-long shift. Lukas came to my room earlier than usual. He brought oil. He massaged my whole body, then fucked me in many positions. He came three times that night. I lost count of my own orgasms.
We kept doing this for almost eight months. Maria never suspected anything. She even thanked Lukas for “taking good care of me” while she was working.
Sometimes I felt bad, but then Lukas would sneak into my room again, slide his thick cock into me, and all the guilt disappeared. The pleasure was too strong.
This happens within 3 months of my stay there every time Maria leaves for work, and I have no regret about that.
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