12-Sai: Torokeru Puzzle Futari no Harmony
- Genres
- Puzzle Adventure
- Platforms
- Nintendo 3DS
- Release
- Nintendo 3DS Oct 26, 2017
- Credits
- HC Happinet Corporation
- Board status
- —
About
12-Sai. Torokeru Puzzle Futari no Harmony is a Puzzle game, developed and published by Happinet, which was released in Japan in 2017.