The Kusaribe Clan is the clan responsible for sealing away the Tree of Zetsuen until the awakening of the Tree of Beginning.
- Hakaze Kusaribe: Hakaze is the leader of the Kusaribe Clan until she was tricked and sealed away on a deserted island by Samon Kusaribe.
- Samon Kusaribe: He sent away Hakaze in order to awake the Tree of Zetsuen.
- Natsumura Kusaribe: Natsumura is the right hand of Samon and the most skilled fighter of the Clan.
- Tetsuma Kusaribe: Tetsuma is one of the magicians of the Kusaribe Clan. He was in charge of the revival of the Tree of Zetsuen when Samon was taking care of Mahiro and Yoshino.
- Junichirou Hoshimura: Is a member of the Kusaribe clan; although he cannot use magic directly, he can nullify its usage. His task was to stop Hakaze if she were to act recklessly.