Rikiya Koyama

The Fourth Holy Grail War has begun, and seven mages must summon heroes from history to battle each other to the death. Only one mage-and-hero ...

Is insanity hereditary? Shougo Mikadono’s beginning to think so, because the terms of his late father’s will seem crazy and following ...

X-Men, still grieving over the death of Phoenix (Jean Grey), are investigating a case of a missing mutant girl in Northern Japan. This leads them ...

Makunouchi Ippo is an ordinary high school student in Japan. Since he spends most of his time away from school helping his mother run the family ...

Set in the Shinigami technical school for weapon meisters, the series revolves around 3 groups of each a weapon meister and a human weapon. ...

The son of a world famous mystery writer, Jimmy Kudo, has achieved his own notoriety by assisting the local police as a student detective. He has ...