![](https://cdn.animecharacters.io/images/manga/large/28207-0642bef2.jpg)
Type
Light Novel
Volumes
Chapters
Status
Publishing
Published
2011-11-15 to ?
Genres
Mystery
Serializations
Authors
Katsuyoshi Ishizawa (Story)
Himitsu Keisatsu
Stage reality of the story is not the (now), the world somewhere, island nation somewhere. There was a group of mystery called "room material" in the National Police Agency of the country―
Related
Characters
Miku Hatsune
Main
Teto Kasane
Supporting