Kazuki, a sergeant of a conglomerate, is a charismatic Dom who leads the entire group with his shrewd and brilliant skills, elegant appearance, and perfect leadership. At his side is Rui, who has served Kazuki since he was a child and is now his secretary. The two of them were also play partners to release Kazuki's desires while keeping his true submissive nature a secret.

One day, Kazuki is offered a marriage proposal with Kujo, a successful businessman who competes with Kazuki as a suitable and “official” partner for the sergeant. From there, Kazuki and Louie's private top-secret relationship is gradually invaded...?