For a few seconds, the five of us stared each other down. Then Kat got up, walked over and grabbed my dick through my gym shorts before I could say anything.

I stood there, stunned, as my 18-year-old cousin wrapped her fingers around my quickly hardening dick - looking me right in the eyes the whole time. Sure, it was through the mesh material and my boxer briefs, but still - no matter how much I tried to not be turned on, I couldn't ignore the fact that a gorgeous teenager had her hand wrapped around my penis.

Kat then turned and stared at Lauren and Kelly, as if to...