"You're so cute, it drives me crazy." Watanabe is a Sub, and a high school teacher whose fiancée has just left him. Drunk and finally wanting to meet his needs as a Sub, he tries out a dating app for Doms and Subs. However, he's matched with his former student, Izumi. A particular incident means that Watanabe can't get away from him, but one day Izumi leaves and doesn't come back. Watanabe doesn't want to face his Sub instincts, but Izumi calls him "cute" and something starts to stir within him...