That's the kind of slutty sister every brother would let work his testicles. And this one probably accustomed her to these pranks a long time ago. At least that's what I would have done. She'd have to suck and spread her legs anyway, so why not with her own man? It's about time she got her ass printed, too, so she can date like a grown-up bitch. Or maybe she's still trying to keep her anal virginity for her husband.
That redheaded girl with the depilation in the pussy area has got such a luscious shape, mmm... Although I don't really like redheads specifically, a redheaded mohawk might on the contrary take away all desire.