Takumi-high school student. It is drawn and not interested in 3D things. Your city has a mysterious case of serial murder, and people panic. One day, when you communicate on the Internet, a man suddenly communicates with him and gives him a URL. Go to the site and find an image in a blog offering the upcoming business of the murder ... The next day, it really happens ... Takui Nishidze suffers from strong delirium as a result of his obvious schizophrenia and an extremely isolated lifestyle that he leads. How Hickkomori. Once he accidentally stumbled upon the terrible murder scene, part of the chain of events called "New Generation". After that, her life is shrouded in these events, and she meets a group of more and more crazy anime girls with swords.