The Regulation Grimoire is a Grimoire that takes the form of a scrapbook with various photographs within it, showing the different emotional range.
The exact powers of the Grimoire are unknown, but it seems to have powers related to weather control. it was found by Makoto Nanaya in a coral reef close to the 15th Hierarchical City of Torifune. Kajun Faycott fixed the Grimoire by taking pictures of the four labelled emotions in the book - these being "Joy", "Anger", "Grief", and "Comfort". When the Grimoire's powers were returned, Torifune's weather was regulated once more, no longer being in its naturally cold state. 
- BlazBlue: Remix Heart, Chapter 7