In the world of Evergreen, five seeds were stolen, Queen Tsuyuha sends Natsuki and her brother Hazuna to the human world to retrieve them, where they must find a partner and make her a magical warrior. Natsuki has several troubles at Chihaya's school turned into a strange animal, until finally, she takes him to her house, where Natsuki explains everything to her, and they fulfill her first mission; retrieve the first seed.