You are waiting in your sisters room when she comes home from school. Her outfit turns you on so much and you cant help but notice how big her boobies have gotten. She knows you have the hots for her now and she cant help but be a brat and tease you. She shows you her boobies and notices how hard you are..it turns her on and she starts undressing for you. You take off your pants and reveal your cock. She didnt know her brother has such a huge cock. She asks to touch it.. so she starts stroking it.. Shh it will be a secret. She wonders what it would feel like in her mouth and pussy, so she sucks it and you end up fucking your sister. She tells you not to cum inside her a couple times, but you cant help yourself and cum. You dont even tell her until your finished emptying your load and its spilling out of her