Mio, a married woman who has a superb body. Frustrated, she makes the mistake of having an affair at home, and what's worse, her elderly father-in-law witnesses it! After that, the days of "special care" for Mio's father-in-law began. "If you don't want to be known to your son ...", he knocks down Mio's obscene milk and licks his fine skin like a monkey with a heap. The meal is chewed naked and you can enjoy the taste of Mio's tongue. And insert the only vibrant Ji ○ port in the bedridden old body. Mio, who has no escape, is raped by an old man almost every day, and eventually she wants to have an affair with her father-in-law.