Gorgeous sitter Stefanie also in diapers notices her AB boy is getting a huge stiffy when she is breast feeding him. He has been a very good boy so she takes off his diaper and rubs his rigid cock up and down expertly with her hand. She knows he likes it. Stefanie becomes very aroused too and needs sexual relief. She guides her AB boy's hand between her thighs to just the right place where he can firmly rub her pussy through her diaper. He is a fast learner and brings Stefanie to a massive orgasm.