Rai wakes up from 820-years long sleep and starts his new life as a student in a high school founded by his loyal servant, Frankenstein. But his peaceful days with other human students are soon interrupted by mysterious attackers known as the “Unions”.
As first year student Konoha Inoue is about to leave school campus, he presences a girl savor a page from the book she is reading. She introduces herself as second year Tōko Amano, the literature girl, and asks him to join the Literature Club so that he doesn’t expose her secret. After almost two years of being the sole two members of the club, a strange message arrives: a piece of paper with a peculiar drawing. Further investigation leads them not only to Inoue’s past, but to the reason for why he has given up on writing novels for the rest of his life.