Kumi Katayama: A math Trainer at Kokatsu Academy and also the homeroom Instructor of course 2-C. Currently being arrange by Kei Akashi for using violence in school, she's suspended from her function and has a psychological breakdown. Raidou Remastered is much more of the remake, with a massively overhauled https://www.youtube.com/watch?v=ILKyE5vBc8A