Yukana's middle school friend Dai Mitarai bumps into her and Junichi. Junichi begins to feel that she took an interest of her friend more than him because of his looks. After thinking that she likes him more, Yukana left Junichi in a huff, making him feel worse. During school, Junichi tries his attempts to talk to Yukana but fails. His friends tried to cheer him up by going to karaoke and succeeded, but then backfired when they saw Yukana talking to Dai...