As a fresh transfer student, Mano Shouko yearns for a self-sufficient lifestyle free from relying on others. Nevertheless, when Noda Seiji, her classmate, records her blunder on film during the school festival's art decoration, she finds herself coerced into walking home with him daily. Despite her desire to distance herself by switching seats, an encounter with someone important from Seiji's past may prompt Mano to re-examine her feelings.