[Pixiv] (Au79) Chastity belt in a femdom world [MTL]

In a society where girls enforce a strict hierarchy, boys are fitted with chastity belts from elementary school and must be continuously tended by their assigned female partners until graduation. The story follows a boy struggling under the crushing pressure of his constricted belt while a confident schoolgirl in uniform oversees his submission, highlighting the humiliation and power dynamics that define their relationship. As the graduation ceremony approaches, the tension rises for those still unchosen, promising a climax of control and desire.