Known as a specialist in Western liquor, Maaya Irita is a passionate sommelier who thrives on her love for alcohol. Busy with daily assignments involving various restaurants and corporate clients, she leads a hectic professional life. While her career progresses smoothly, she feels increasing loneliness in her personal life. Her marriage to a husband who runs a restaurant has gradually drifted apart, leaving her trapped in deep sexual frustration. Relying on alcohol to cope, she eventually grows emotionally vulnerable and begins an affair with a male client. From there, her suppressed desires begin to awaken and slowly unravel, leading her to accumulate more and more casual sex partners. Craving excitement and intense pleasure, she eventually decides to step into the adult industry.