Sakura, an unpopular aspiring gravure idol, is unable to choose her work and continues to endure sexual harassment on set. One day, while traveling on the train, she is targeted by a perverted old man. The man's hands move from her ass to her soft I-cup breasts, and then relentlessly play with her nipples. Not wanting to be late for work, she tries to hold back her voice as he caresses her, but her body is aroused by his touch. More and more horny old men flock to Sakura's erotic body, and she falls into the merciless pleasure of being molested by the group...