Kumi Katayama: A math Instructor at Kokatsu Academy and the homeroom Instructor of course 2-C. Currently being set up by Kei Akashi for making use of violence at school, she's suspended from her get the job done and has a mental breakdown. Raidou Remastered is more of a remake, https://www.youtube.com/watch?v=ILKyE5vBc8A