Hiroko Midorikawa

Hana Kappa, who was always getting scolded by his mom, would join his friends in complaining about his nagging mother. One day, however, a "Butterfly Warrior" arrived in Yamabiko Village, and all the mothers in the village were kidnapped. Hana Kappa and his friends set out on an adventure to rescue the mothers, accompanied by a mysterious boy named Polu, whom they met by chance.

Natsume Takashi has the ability to see spirits, which he has long kept secret. However, once he inherits a strange book that belonged to his deceased grandmother, Reiko, he discovers the reason why spirits surround him.