every day, my sister takes a shower, then I take one after, because my mom and dad use the other one, but that morning, I had a late start, because im in 11th grade, and my sister's in 8th, anyway, my sister forgot to take a towel in, and I was sleeping, so i couldnt hear her ask me to give one, so she had to get out naked and get one, and, then i woke up, and saw her naked getting a towel infront of me. Trust me, she is HOT, she noticed me and just stood there for a minute, then came closer, and kissed me. We never said anything until we left to school. When we came back, she was really awkward. It just so happened that we were home alone for 8 hours. Our dad was on a business trip, and our mom said that she had to come at 12 cuz of work. My sister said her first words to me since we came home. She said she needed to go upstairs. She came down after 10 minutes. She was only wearing a bikini. I got a boner right away. She came to me and said for me to take my shirt and shorts off. I did. Then I wrapped my arms around her and pushed her to the carpet. I layed there kissing her and her whole body for a while. Later, I stuck my d**k inside her warm vagina, it felt so good, but i didnt do it for long because she might get pregnant. I pinned her to the ground and kissed her enormous boobs, then I took them out and sucked for proabably 10 minutes, while stroking her boob. Then she took control and grabbed my d**k then put it in her mouth. She kept on sucking. then we did that stuff for 2 hours, later, we cuddled on the couch and watched a romantic movie. That was our first time, and the other times she came at night to my bed, but we stopped after a year because she got a boyfriend, and i got a new girlfriend, but she was undoubtedly the best girl I've ever slept with.