Kurashiro Shion is a pathetic high school boy who acts like a cuck, obsessively pining after Kira Hinano, the arrogant and manipulative bitch of their class. Kira exploits Kurashiro’s loneliness through shared hobbies, toying with his feelings. When Kurashiro confesses his love, Kira coldly reveals she already has a boyfriend, ruthlessly crushing his self-esteem and dismissing him callously. Left devastated and isolated, Kurashiro remains broken while Kira continues her superficial popularity without remorse.