"Sperm donation"... --This is an act in which an ordinary man provides sperm for couples who are troubled by trying to get pregnant.Ayaka, his wife, wants to be provided using the timing method for actually having sex.Her husband believes that it is a loveless, working sexual intercourse, but despite his feelings... he gradually becomes addicted to his actions with the sperm donor, and turns into a lewd wife who seeks sperm over and over again...
