Shiori, a married woman, gets to know her daughter's boyfriend. As she talks to him, she learns that she is his first girlfriend and they have only ever kissed... The naive young man stimulates her womanly instincts, and the frustrated wife seduces and sleeps with her daughter's boyfriend in a forbidden act of sex. The married woman uses her amazing technique and voluptuous body to make her daughter's boyfriend weak and seduced, but...