Kumi Katayama: A math Instructor at Kokatsu Academy as well as homeroom teacher of course 2-C. Currently being arrange by Kei Akashi for making use of violence in school, she's suspended from her function and has a psychological breakdown. Raidou Remastered is more of a remake, that has a https://www.youtube.com/watch?v=ILKyE5vBc8A