She is one of Asahi Kashiwagi wife candidates and work as a teacher at St. Orifanus Academy. she was an agent from underground organization and most afraided of by the other dark organizations. When she was still active as an underground agent, her codename is "Bloody Tiger". After killing a lots of her target, for some reason she wanted a different life and chose to quit the underground organization to be a teacher, that way she can teaching and build a better life for youngster