Kumi Katayama: A math Instructor at Kokatsu Academy and also the homeroom teacher of course 2-C. Becoming set up by Kei Akashi for applying violence at college, she's suspended from her operate and has a psychological breakdown. Raidou Remastered is more of the remake, having a massively overhauled beat https://www.youtube.com/watch?v=ILKyE5vBc8A