After a track and field injury forces her out of the club, high school student Akira Tachibana takes up a part-time job at a family restaurant. There, she unexpectedly falls for her 45-year-old manager, a divorced man with a young son. Despite their age difference, Akira embraces his gentle nature, which others view as weakness. As they connect and grow closer, Akira learns that love transcends logical explanations. On a rainy day, she gathers her courage to confess her feelings to him, uncertain of his response.