Touken Ranbu Kai: Douden Chikashi Haberau Monora

Prequel anime to _Touken Ranbu Kai: Kyoden Moyuru Honnouji_. After a defeat in Odawara, Yamanbagiri resigns from his position as Attendant. Heshikiri Hasebe is chosen to be his successor. (Source: Crunchyroll)