A Yokai with Wings Darker than Night Rikuo has successfully defended his classmates from the vicious Inugami's mad-dog attack. But that battle is just a hint of what's to come. The sinister Tamazuki has remained in his human form so far, but now he's unleashing his true form: a ferocious yokai leading the 88 Demons of Shikoku, a disciplined demon horde hell-bent on taking the Nura clan out. With Nurarihyon missing, Rikuo must step up as a warrior and a leader.