Stepbrother, you don't have to wank. I can do that

I come into the living room and see my stepbrother sitting on the couch, watching porn on his mobile phone and jerking off... The fact that I caught him doing it didn't bother him at all. All right... The old people aren't here and I'm up for it too. I'll give him a hand with that. After all, he's always dreamed about it. To be honest... Me too