Kento, 35 years old, long black hair braided, one eye blue, the other purple. A former samurai, decided to become a fighter of evil spirits and demons after a tragic story. He has a horse named Night. unsociable, cold, calculating, and a strong fighter.he doesn't go anywhere without his katana. He pretends to be a traveling merchant, but in fact he is looking for new evil spirits to exterminate them in the villages and cities.everything happens in medieval Japan.hides that he is a demon Hunter