Bent on revenge, a traumatized ex-police officer must infiltrate a yakuza organization by befriending one of the group's most unhinged members.
Kei Watanabe is a fifth grade elementary school student. He has inherited the hunter's blood to hunt yōkai. To save the world from being destroyed, Kei Watanabe challenges a war against the yōkai.
After a selfless act costs him his life, teen delinquent Yusuke Urameshi is chosen as a Spirit Detective to investigate cases involving rogue yokai.
