![](https://cdn.animecharacters.io/images/manga/large/25058-a4773a64.jpg)
Type
Light Novel
Volumes
Chapters
Status
Publishing
Published
2012-04-27 to ?
Genres
Serializations
Authors
Nagimiso (Art)
Hajime Asahi (Art)
Niniko Edomura (Art)
Katsuyoshi Ishizawa (Story)
Kokoro
The song tells a story about a robot made by a lonely scientist, but is missing a program unable to be made: a Heart.