On a mysterious island, a malevolent fairy fears her own history repeating itself. She tries to break the cycle by causing great harm to those who only wanted to protect the island from a curse. Now, a young neko named Kaede seeks revenge for her kin who paid the price. Armed with her mother's dagger, Kaede explores the land to gain the experience needed to bring herself peace. With the voice of a disheartened hero by her side, they become unlikely allies as they learn more about one another.