Last weekend I went to a summer end party at one of the apartment complexes in the college town I live in. The party was at the pool and my friend's girlfriend had a keg with people over. After hanging out for a couple of hours and seeing all the girls in the pool I was ready to beat off. I told Lisa, the girlfriend, that I did not feel good and asked if I could lie down in her apartment. She said okay.
I went inside and headed upstairs to her room. Lisa is a 20 yr. old, about 5'3' and with a great body. I have wanted to have her ever since my friend started dating her. Anyway, once I was upstairs I headed into her room. I found that I could see the pool from her window. I looked out and saw Lisa lying next to the pool with a yellow bikini on.
I opened her top drawer and found her panties. I pulled out a pair of purple satin string bikini panties size 5. Next thing I was stroking my cock with the panties. I was watching her by the pool and rubbing the panties on my now hard cock when I heard a girls voice say, Oh my god. I looked around to see one of her roommates standing in the doorway. She told me I was a total perv, just jacking off with Lisa's panties and then ran back outside.
I saw her run out to the pool and tell Lisa something. Then they pointed to the window and started acting like they were jacking off. I pulled up my shorts and left the party. Later that night my friend came over and told me that all the girls were talking about the guy that got caught beating off in the apartment. I have not talked to him since.