"Mai" visited my uncle's house one day. Mai at the height of adolescence is curious about a man's body and cock and can not concentrate on studying because he only masturbates every day. "I'm a bad boy. I have to be punished ..." Reborn childhood memories. My uncle who scolded me at that time. Only my uncle punishes me ... and the masochist training that started. The immature ass is beaten to the extent that it becomes bright red, the milk that has begun to swell is tied up, and Mai awakens to the pleasure of de M.