Your son is not a virgin.

Mr. and Mrs. Makita have not been blessed with a child even though they have been married for several years. Kaede and her husband didn't get along well, but Kaede felt that something was missing. One day, he encounters the mother of the neighboring Ishino family, known for being an educational family, scolding her son, Manabu. Apparently, he was angry that Manabu's mind was all about eroticism when he was preparing for the entrance exam... From that day on, Kaede was aroused by the gushing sexual desire of a virgin. Furthermore, he came up with the idea that he wanted to finish his studies without telling his wife...