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.

Marika Katou, a third year student at Hakuho Girls’ Academy, is a legitimate space pirate with a Letter of Marque. Between her studies, leading her school’s space yacht club, working part time at Cafe Lamp, and being the captain of the space pirate ship Bentenmaru, Marika’s days are very busy. One day, Marika gets a job to rob a high-class passenger ship, and she discovers that on the passenger list is Kanata Mugen, a boy who owns a “galaxy pass”. Thus, an adventure featuring a hyperspace race between pirates and one young boy begins.