It was a black butt that was always in front of me.I live with my girlfriend and her sister.Her younger sister is a gal and doesn't wear a skirt at home and is always in a thong.Don't you think of me as a man?She can't keep her mind on her little sister walking around the house with her black butt sticking out...When I got a full erection, I shifted the T-back and inserted it from behind.I lost my sanity and kept shaking my hips until I forgot to put on a rubber and vaginal cum shot.