URUSHIBARA Yura

Ichinose Shiki's blood is Oni, and his father's is Momotarou. Normally, those with Momotarou blood hunt the Oni—but Shiki's father refused to kill him as an infant. Instead, he adopted Shiki and raised him despite the rebellious attitude and dangerous temper that comes with Oni blood. When a member of the Momotarou Agency kills Shiki's father, he vows to avenge hm. But as…

From Yen Press: Shiki Ichinose would have never guessed his adoptive father used to be an Oni-hunting Momotarou, much less that the old man walked away from that life just to raise him despite Shiki’s dangerous Oni blood. After seeing the only parent he ever knew murdered by a Momotarou assassin, Shiki’s blood awakens. Thrust into an ancient conflict between Oni and Momotarou…