Koei

A ninja biker hired by Gabu. He first appeared to take on Sho and Kyoichi. He injured Kyoichi, broke his MTB Thunder Emperor, and took out the Four Kings that were battling Makoto. ~!When he battled Sho, it ended up a draw when the Four Kings interfered. He thwarted another plot by the Four Kings when they tried to "assist" him when he thought of it as dishonorable. In his battle against Arthur, the Four Kings successfully interfered causing Arthur to lose. It is later revealed that Koei works for Gabu because he c…