Ep. 12: Yuuji changes his behavior while Kazuki reflects on a letter from ten years ago

12

Yuuji abruptly stops his previous perverted actions toward women, resulting in a depressed and tired demeanor. His friends attempt to understand the cause of this sudden change. Kazuki suspects that her influence might be responsible for his current state. Although she initially preferred the former version of Yuuji, she realizes that his past self bears a stronger resemblance to his present behavior. To resolve the mystery, Kazuki focuses on recalling the contents of a letter she wrote to Yuuji ten years ago. Through this process of reminiscence, she eventually reaches a definitive conclusion regarding the situation and Yuuji's altered personality.