Character profile
Natsumi Hayama
羽山夏美Biography
Natsumi Hayama is Akito's older sister. Early on she treats her younger brother harshly and blames him for their mother's death.
Story spoilers
A movie with a story resembling the Hayama household becomes a wake-up call for Natsumi. She gradually becomes kinder to Akito, and the siblings begin acting like a family again.
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