Kumi Katayama: A math Trainer at Kokatsu Academy as well as the homeroom Trainer of course 2-C. Currently being set up by Kei Akashi for employing violence at college, she is suspended from her do the job and has a mental breakdown. In the Metaverse, Mementos is entirely overhauled, https://www.youtube.com/watch?v=ILKyE5vBc8A