ザンキの突然の引退宣言に驚く戸田山。今の戸田山には偉大な師匠を超える自信が無い。そんな中、ヤマアラシの魔化魍との戦いで、斬鬼はまたも苦戦。一方、明日夢を見舞ったヒビキ。2人で久々に話し込む。明日夢の口から「弟子」という言葉が……。
Zanki and Todoyama come to Sabaki's rescue after being captured by the Yamaarashi. Zanki begins to weaken and proves unable to defeat the Yamaarashi. Todoyama takes Zanki's place and destroys his first giant type Makamou. As Zanki retires, Todoyama refuses to take his name, instead wanting to make a name for himself, Zanki dubs him Todoroki, the roaring Oni.
