A pure young wife is obsessed with pleasure. It all started when she met a man. Frustrated with her husband, stressed with raising children, and craving excitement more than anything, Mayu gives her body to the man. After getting married, it's the first time she's tasted another man's cock, and even after she gets home, her body throbs. She thought it would be a one-time thing, but she contacts the man herself, and what will become of Mayu?