Yuzuki Asō is Shin Kagami's former romantic partner, maintaining an emotional connection with him despite his transfer to a new school. She clings to her affection and attachment even as he pursues exploitative relationships with students there. This enduring bond starkly contrasts with others like Honoka, who perceive Shin Kagami's predatory actions as a genuine threat. Yuzuki's past relationship grants her intimate knowledge of his motives and methods, having directly experienced his behavioral patterns prior to his relocation. This history informs her continued emotional investment despite the evident risks and exploitation in his current role. Her character is defined by the unresolved tension between her lingering feelings and the reality of his actions.