Age: 21 Birthday: April 25 Height: 178 cm Blood type: A A medical student at the University of Tokyo who opposes the CROWDS system, claiming that mankind is not capable of properly making use of it. He is the ringleader of the mysterious terrorist organization "VAPE" (short for "Violent Apes"), composed of individuals using red-colored CROWDS. He also possess a magenta-colored NOTE, that he obtained from Berg Katze just like Rui did, but refrained himself from using it until the CROWDS system was established, and decided to use it in order to bring it down.