Hana and Shinji, the only boy in the academy, maintain “relief sessions” to control their sexual desires as part of keeping order. What began as a duty turned into mutual pleasure. However, when Hana missed class due to a cold, Chika, a girl passionate about sex, seized the opportunity to seduce Shinji, using her connection to Hana as an excuse. Unable to resist the provocation, Shinji gives in and unleashes his