Harassment is frequently occurring on a certain route. Strangely, the investigation was stalled because none of the victimized women reported the harassment. Amidst this, T, a former pharmaceutical company researcher, emerged on the investigative line. In order to get to the truth of the incident, elite investigator Shiramine was deployed for undercover investigation. The undercover investigation was successful, and T begins to grope Shiramine's body. However, Shiramine forgets herself in a pleasure that seems to devour her whole body…