Asumu returns home after spending a week hospitalized and begins his recuperation. Elsewhere, Zanki reveals that he will soon be retiring and expects his apprentice Todoyama to take his place, a revelation that Todoyama is less than pleased with. Even more, they are called to aid Sabaki at Tsukama Village, where a Yamaarashi is running rampant.

Zanki and Todoyama come to Sabaki�s rescue after being captured by the Yamaarashi, but Zanki begins to weaken and proves unable to defeat it. 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, as Zanki dubs him Todoroki, the Roaring Oni.

After Sabaki is defeated by a Kappa, Hibiki is sent out to finish the job. At the same time, Asumu, Hitomi, Hinaka, and Todoroki enjoy the day off by going to a water park where they run into Tsutomu Tsumura, who works at the park but has ties to the Oni world.

A mysterious Oni Armor, that gives the wearer the power of an Oni, has been stolen from a shrine. The thief uses it to attack Oni and Makamou alike; leaving the Oni wander what is the thief�s motives for using the armor. Meanwhile, Akira struggles with her hatred for the Makamou and what it means for her Oni training�

After Hibiki is defeated by the fearsome Yobuko, Ibuki searches for Akira, while Todoroki is severely depressed over his perceived failure with Zanki. Meanwhile, Kyousuke stumbles upon Takeshi�s armory and attempts to transform into an Oni, while Asumu and Midori attempt to escape the clutches of the Makamou before they are devoured!