Fifteen-year-old country girl Suzume Yosano has to move to Tokyo to live with her uncle due to her father’s transfer. She bumps into a mysterious man who ends up taking her to her uncle’s place after she gets lost. Turns out, Suzume will be seeing him a lot more often once she starts school because… he’s her homeroom teacher?!
When she was a middle school student, Yoshioka Futaba liked Tanaka Kou who was unlike the other boys and quite gentle. Kou then moved away and they lost contact.At the end of Futaba’s first year as a high school student she meets Kou again. Kou’s name has changed to Mabuchi Kou and his personality seems different from his middle school days.