In my science class there are only 4 girls and 3 of them are really hot. I sit where at any given time I could see either their ass or their boobs. I think one of the girls, Natalie, knew that I stared at her boobs. She didn’t have gigantic boobs but they were nice and round. One day I was helping her with a problem and I was standing over her. She had a really low cut shirt and I couldn’t help myself I looked down and I took a good look. I had a hard time keeping my dick in my pants. Her shirt was so low that I could just see her small nipples. While I was looking she moved and I knew there was no hiding it. She knew immediately what i was doing. Surprisingly she just looked back at her paper and continued to ask me about our homework. After I had answered her question I went back to my seat. I couldn’t believe she didn’t say anything to me. Lucky for me that was the last class of the day. I was ready to explode right then and there. When I got home I went straight to my room to jack off. I grabbed my cock in my hand and began to stroke really hard. I had the image of Natalie’s boobs in my head. It took me about 2 minutes to cum. I shot an enormous load all over the place and I was panting. The orgasm was amazing and I wanted another one. That night I dreamed of riding her to orgasm.