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"I want to change too!!" Due to something that happened when he was a child, Touri, an omega, ended up becoming a shut-in. In his effort to change himself, he decided to accept his parents' suggestion to go for a marriage interview with an alpha! But as preparation for meeting his partner, he wanted to learn various things for changing himself. That's why Touri decided to accept Kazukage, the alpha son of Hiiragi, Touri's most trusted butler, to become his home tutor. The (provisional) Spartan lessons from Kazukage, who seems like he's being made to run around in circles by Momoki's dumbness, now starts!!
Karin, the only son of mega-corporation Aizawa Group, is a college third-year who's actually an Omega. One particular day, the one who saves Karin from sudden heat is the heir and young managing director of similarly large company Totoku Group, Totoku Kyohei -- whose secondary gender is Alpha. Karin only did it with Kyohei once when he was unable to resist his heat, but later, Kyohei suddenly confesses to him......!?
[Original Web Manga](https://manga-comisol.jp/comic/3619/)