Izumi Kogure is a strict 29 year old teacher who has dark pink eyes and black chest-length hair. She is secretly a demon called Naperius. Naperius' description is: Naperius is extremely veiny and occurs when she is mad and feels like doing something violent. Has dark red eyes, has wings, Is a swan-demon, has razor sharp claws and can speak in demon form. Is 20 feet tall.