A beautician with a beautiful buttocks works at a healthy beauty salon. The man gets excited by the risky treatment that gradually begins, and he can't help but get an erection. The beautician gradually escalates, saying, "Let's keep it a secret," and performs forbidden treatments, including a buttjob using her proud buttocks, and a pounding piston while the man lies on the bed... You will be in agony at the hip movements of an innocent newcomer, a naughty veteran older sister, and a frustrated married woman.