Nura

A supernatural saga of a 13-year-old by day, and a leader of a demon clan by night-straight from the pages of Weekly Shonen Jump!

While the day belongs to humans, the night belongs to yokai,
supernatural creatures that thrive on human fear. Caught between these
worlds is Rikuo Nura. He's three-quarters human, but his grandfather is
none other than Nurarihyon, the supreme commander of the Nura clan, a
powerful yokai consortium. So, Rikuo is an ordinary teenager three
quarters of the time, until his yokai blood awakens. Then Rikuo
transforms into the future leader of the Nura clan, leading a hundred
demons.

Rikuo and the Nura clan fight off the devious body parts of a dissected Sanmoto Gorozaemon, while Rikuo's allies fight back against his reputation as the harbinger of the apocalypse. But battle still looms against the members of the Hundred Stories clan... And it's possible that Sanmoto himself could be reborn in the form of yet another ghost story!