Upon visiting a personal gym, there's a naked female trainer for some reason! As the bewildered man watches, the instruction proceeds calmly, but he can't help getting an erection. "Blood is pooling here. If we leave it like this, blood won't circulate to all your muscles, so we need to get it flowing." She gropes his crotch and removes his pants... The full-nude perverted guidance by the beautiful trainer begins!
