I have a boyfriend, but I'm always ready to sit on my brother's cock

Sister, can't you seduce a teacher? Come on, I'll teach you everything

Sister, do you want to have sex? You have 15 minutes while my girlfriend is in the bathroom

So what if you have a dick, brother, put it in. I'm already jerking off

Brother, you're going away without me for two weeks? Who's going to suck your dick?