Eriko, a stage mom who strives to make her son an actor. Due to her H-cup voluptuous breasts and great body, she is targeted by producers and sleazy industry staff. Learning that the successful Hirōka family has gained favor through sexual services comes as a shock and causes anxiety. Initially resistant, she accepts sexual services for the sake of her beloved son's success. Tricked into having sex with a drama director, her unsatisfied body begins to feel pleasure. Under the guise of a final audition, she is gang-raped in front of her beloved son and even accepts his virgin penis, reaching orgasm.
