To go home with her boyfriend, the company president's secretary, "Momoko," occasionally takes the train. However, when she encounters a pervert, she has to turn around to look, her large breasts becoming the trigger for his advances... She shouldn't have taken the train at all... Momoko tries to see the pervert's face, only to discover it's a middle-aged man resembling the company president... A beautiful, voluptuous woman's body is violated by a lecherous hand; a perverted work, now unbanned.