This is a series of works that teaches sexually frustrated married women the joys of being a woman. The married woman in this episode got married when she was a student. Mutsumi is sexless and has had little experience with sex. She feels like she's family with her husband. They have sex once or twice a year. She has no intention of having children now, and just spends her days getting by. However, Mutsumi's true nature is that of a dick-hungry slut.