Former elite investigator Aoi Yamazaki was demoted after conducting repeated unauthorized solo investigations driven by the loss of her colleague and lover during a mission. The new assignment given to her is to go undercover at a 'Potential Development Seminar.'

A series of recent molestation incidents have been linked to participants of this seminar. Aoi infiltrates the group as a decoy to uncover the connection between the crimes and the organization. However, the moment she is touched by Nakata, the head of the seminar, an overwhelming surge of pleasure races through her entire body, making her lose all sense of self...