Her father is away on a company trip, and she has had a lot of sex with her stepmother, whom she has always admired, and is living a creampie life.

Mina has been remarried to her husband for several months, but she can't get along with her in-laws. I want to get along just like a real parent and child. I hope so, but I always keep spinning freely. At that moment, my husband went on a company trip and began living alone with my in-laws. They try to communicate actively, in order to counteract the awkward atmosphere... Mina's obscene body is closer to her than usual, and her rationality is on the verge of collapse...