What I saw amazed me. My sister was masturbating herself to a pair of my boxers, I couldn’t believe it! She was completely naked lying on her bed wi...h my boxers in one hand and was sucking her nipple with the other hand. I pulled my cock out and started stroking it slowly, not wanting to cum yet. Her titties were perky and her nipples were hard as a rock. She had two fingers in her pussy and pulled them out to suck off the juices, I almost came right there, but I held off, barely. I heard her. "Hi Jen, what's up?" She was the captain of the women's swimming team and we had talked in the past. "I thought you would never get done so I decided to come interrupt your swim." She had obviously just finished her own workout and was standing there in her very sheer swimsuit. Her nipples were fully erect. She was about five eight, slim, dark short hair, tanned, fit and with brilliant green eyes, a real beauty. I had noticed her before, but I was never interested in girls my own age. They. ”Kelly still hesitated; tinted windows or no, she felt very exposed here. This frustrated Jessica. “Do it or you can walk home.”At that, Jessica scrambled to comply. It wasn’t so much having to walk — it wasn’t very far anyway — but the threat of being banished from Jessica’s presence. She pulled her panties off and spread her legs so Jessica could see her.Jessica licked her lips lasciviously. “Mmm, lovely.” At last she started the car and pulled onto the street. “Remind me to punish you later. "So, do you have to go to girly school, or what?" Emily obviously was trying to tease me out of my despair - and was doing a pretty good job of it."If I could find one, I'd go there in a minute, but I'm afraid it's going to have to be self-study for me."She looked down at her sneaks and said, "Maybe I could help." Help - how?" Well, look. I know all about being a girl. The secret handshakes, the private code words, the works. I could teach you."I knew she was kidding but at least she was.