story 5 Mata Shi Meets toko/genocider.
3 parts Complete Maturea week has passed after hanging out with aoi asahina and mata shi, was reading inside reading for a while, then decides to go to the library, where he meets toko assuming she was genocider, since he encountered her at one point, she begins to assume the male would belittle her, but he really isn't, so mata shi decided to get a book and take his leave, toko then sneezes and genocider shows up only to attack mata shi for a while, then it comes constant, where she shows up, just to attack him.
story about mata meeting toko/genocider and an unexpected enemy.