Late one night, Yū, the drunken wife of a friend, suddenly bursts into Takahashi's room. She makes a bold advance on him, revealing that her marriage has deteriorated to the point of near collapse, leaving her emotionally and physically unfulfilled. Helpless against her seduction, Takahashi gives in as Yū strips off his pajamas and immediately takes his cock into her mouth. Beautiful and skilled in bed, she leaves him unable to resist, and soon after, craving more, he finds himself visiting her at her nearby home.