Busty Stepsister Seduction

I cannot believe my Step-Mom is making me go back to summer camp with my step-sister, Kosame. I hate it there so much, it is so boring and none of my friends go. Kosame seems to happy to be going back, I think I know why... Well last year someone snuck in some booze and Kosame and I had a little too much and ended up messing around, I made her promise not to mention it again but here we are she is mentioning it and seems too excited to back to camp. I yell at her to stop talking about, I can tell what she is doing. My step-sister is trying to seduce me into fucking her again, I have to admit she is looking really hot just wearing that robe with nothing else on. Maybe, I can fuck her real quick before anyone else gets home and this can be our secret.