of paranormal events in the Human World, eventually reviving in the process. He begins his work in the Human World but ends up traveling to the Underworld and then eventually to the Demon World. In each case he undertakes, Yusuke meets several new enemies and allies. He forms multiple alliances across his journey while developing supernatural abilities due to harnessing their Reiki, one's own aura or life energy.

Yusuke was created by Togashi under the concept of a complex individual who goes from slice-of-life stories to action scenes.