Mr. Butler

Mr. Butler is the right-hand man and utterly loyal servant to Asura of the West. His past and reasons for loyalty remain unknown, but Mr. Butler seems to be a man willing to die for his conviction, as he stated he would do anything Asura asks of him. Moonlight Judgement is the name of his ability. This allows him to reverse the relationship between shadows and the bodies casting them. He can also cast himself into shadows for spontaneous travel, much like Rio Ibuki's Shadow Play, minus the loss of clothing. (Source: Area D - Inou Ryouiki Wiki)