Summary
Natsumi serves as the elder sibling to Akito, though her initial demeanor is marked by hostility and resentment toward her younger brother. She harbors deep-seated blame for their mother's passing, directing her anguish at Akito during the early episodes of the series. However, the release of a film that mirrors the tragic dynamics of the Hayama household acts as a profound wake-up call for her. This realization prompts a significant shift in her attitude, leading her to treat Akito with kindness and allowing the siblings to gradually restore their familial bond.
