One day, office lady Akari becomes the victim of a sudden molestation while riding the bus to work. But the one shocked by the unexpected turn of events isn't Akari—it's the molester himself. Though she appears refined and elegant, when she touches her crotch, a huge erect cock becomes clearly visible. A few days later, the molester begins stalking her and launches a relentless rape campaign. Unable to resist her uncontrollable desires, Akari continues to return to the molestation bus again and again.