Satoshi, a university student who has the worst exam scores and is in danger of advancing to the next grade due to his habit of slacking off on a daily basis. Worried about Satoshi, his mother decided to ask his sister, Chieri, who lives in Tokyo, to watch over him. Satoshi is puzzled by the unexpected start of living together with his aunt. It's like a prison life and I can't even masturbate... On top of that, I happened to witness Mochieri's ripe naked body! Satoshi, who is at the age where he wants to fuck, can no longer suppress his sexual desire that has accumulated.

It's been 7 years since I got married ... Keiichiro hasn't had any children and is living a life of passing by his wife, Maria, because of the busy work. One day, Maria suddenly runs away from home. Keiichiro visits her mother-in-law, Ririko, thinking about Maria's body. However, Keiichiro blames himself for not knowing Maria's whereabouts even when asked by Ririko, "Why couldn't I get more involved?" Seeing such a son-in-law, Ririko can no longer look away from the fact that her daughter is afflicting Keiichiro.