An Japanese Teenager who lost his parents when younger, go to Korea seeking for Yumin, his loved one and currently a Korean policewoman. He then become unexpectedly the Boss of a local gang and soon learn Yumin's father was killer of his parents.

The senior student and instructor of the Ogame School. He appears at the end of the first round. Iori taught Gama his sword techniques and is apparently a master of all the Style's katas. He possesses incredible skills but is known to sometimes go overboard when fighting opponents. Iori is one of the two student that Jinsuke teaches.

He is the notorious and feared by all gangleader in the Hakutoku high school. His father's the head boss of a syndicate. As ruthless as he looks, he has no qualms about killing or torturing to ensure he gets what he wants. He has an obsession with making Inugami suffer, as he sees it as his responsibility to kill the last monster threatening humans (Inugami).
When Haguro comes across Inugami in Chapter 43(?), Inugami shows him that he is a true monster and transforms into a werewolf. After that, Haguro has been showing many emotions he has not shown before.

Iori