Yayoi Shioiri

Driven by deep-seated insecurity and intense envy, this socially awkward classmate struggles with his unrequited feelings for Yuiko. After facing rejection from her, he remains determined to win her heart despite her apparent romantic interest in Ritsuka. While his presence is minimal in the manga, the anime expands his role significantly, utilizing his comedic struggles and complicated rivalry with Ritsuka to add emotional depth and lighthearted tension to the series' otherwise somber narrative.