In a world where exorcists wield powers from  to combat monstrous yokai, Zenji Lightwing walks the line between salvation and destruction. Abandoned by his parents for his Kage alignment, raised by his adoptive family, and scarred by the brutal loss of his adopted family. Zenji joins the exorcists organization to traverse the world of slaves of their own desire to fulfil his own desire to resurrect his adopted family with a powerful artifact.