Exhausted from child-rearing, young wife Kyoko finds her breast milk supply dwindling due to stress. On a whim, she visits a specialized breast massage spa and is overwhelmed by the intense pleasure of an aphrodisiac oil. She becomes addicted to the male masseur's techniques. Despite knowing that if her husband finds out, everything will be over, she invites the male masseur home for pleasurable massages and intercourse with internal ejaculation. This drama depicts how an ordinary young mother descends into sexual slavery.
