Kyoko is a young wife who is tired of raising her child and the stress has caused her to have less breast milk to give to her child. She goes to a breast massage parlor hoping to produce a little more milk, but is hit with the intense pleasure of the aphrodisiac oil and becomes addicted to the man's fingering. Even though it would be the end if her husband found out, she still invites a male masseuse to her home for a pleasurable massage and creampie sex. This is a full-fledged drama that depicts the descent of an ordinary young wife with a child into a sex slave.