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“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 Dom. 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…
Naoya Fushimi lives in a world where second genders are labeled as 'dynamics,' generally divided into two types: Doms and Subs. The former desires to dominate while the latter wants to be dominated. Being the only Dom teacher in the school he works at, Naoya has a reputation for being strict and intimidating, and he takes pride in it. As for his more private activities, there is no Sub he left unsatisfied with his plays. Though recently, he finds himself frustrated for no reason. When the new dynamics-specialized nurse, Kei Hoshina, enters the school, Naoya assumes the former as an unassuming Dom, but he couldn't be more wrong.
Serious-minded Kohei Kazato's colleagues take him to an S&M bar against his will. That's where he encounters Hijiri,a man with a strangely suspicious yet tantalizing atmosphere. But,when he whispers in his ear to put his hands behind him,Kohei finds that he can't resist doing as he's told... The moment that he's bound,he experiences a sense of pleasure that's beyond words...
Kouki comes across as the perfect student, but deep down he has a penchant for torture that he keeps in check. However it doesn't take long for Tobari, the new superintendent, to learn his secret! Tobari shows his conniving side and has Kouki help him with his work in exchange for his silence. Kouki's desires start to overwhelm him, and soon he develops a need to dominate Tobari... A dormitory romance that begins with the tying of a different knot!