" Thanks, Pete." Sighed Chad. "So do you want to go talk to the rugby team now?" Actually," said Pete looking across the courtyard, "I think we can pa...ss on and other teams though I do want to meet your brother's fraternity tonight. Right now I have someone else I need to talk to." He stood up with a dismissive wave goodbye to the football team and headed over towards Johnnie and his leather and chrome covered crew of metal heads.Just before reaching Johnnie's table he was intercepted by one of. Because we did not know how far Principal Collins wanted us to go we left our underpants on. "Take everything off including your socks." We did as told and finished taking off our clothes. The three of us stood buck naked in front of the principal. Tom and I covered our privates with our hands and Tricia covered her's as well. We were embarrassed. "Don't be shy. Show me what you got." Our hand dropped away. Tom and my cocks were limp. Our pubs have grown in somewhat but not yet full.. Before I knew it, I was rubbing her pussy again. The moans she gave were amazing to hear. I started back down her body. This time, I would let her say no.As I got to her pussy, I slowly stuck two fingers in, getting even more moans of pleasure. I kept fucking her with my fingers until yet another orgasm rippled through her. “Ah shit!” she yelled as she bucked her hips up.I pulled out my fingers and started to rub them over her pussy lips and clit. Every time I passed over he clit, I little. "I'm about to stick my raging cock in your wet cunt Brittany" when she turns her head and surprises me with "Are you crazy? You can't fuck your little sister like that! Put it in my ass, Big brother!" What the hell, I think to myself, in for a penny, right? I'm about to stick my thick throbbing cock up her ass when she surprises me again with "Are you sick or something? You can't just fuck your sister in the ass like that. Lick it first!" By now, I'm too freaked out to think and I start licking.