As a married detective, Saki has been active in various locations. This time, she is dispatched to the commuting route of a certain private high school to stop the ongoing groping incidents. However, she cannot resist the perverted fingers of the molester who attacks from blind spots and relentlessly assaults her, reaching orgasm even inside the car. Afterwards, she tries to stop the molesters by boarding trains multiple times, but each time her body starts to crave that lewd technique. And today, she boards the train with a secret anticipation...
