It's not incest. We're step-siblings. It's just creampie and sex

She let me touch her breasts, and I got carried away and came in my sister

Stop staring at boobs, bro - when are you gonna start staring at me?

You're a sex addict, and so am I - fuck me, bro, we're alike in that way

He says, "Don't!" but he's got a boner, so let me give you a blowjob, bro

Hey, why are you jerking off alone? Don't you want to fuck your sister?

I'll cover my sister's mouth before daddy wakes up and sees us fucking