Preparatory materials related to the Colorless Ultar Project, a series of materials under this title.
Nature of the data
These are short stories and vocabulary materials related to Ultar Research, and are not recognized as the main project or official game release.
Scope of merged materials
The combined and supplemented edition of bibliographic records belongs to the Ultal Studies publications; Contemporary reports mentioned the doujin exhibition and commission plans for the 1st and 2nd.
Related entries
- Related main projects:Colorless Ulta ~The End of the Shining World~
- Related authors:Hikaru Sakurai
- Related Projects:Colorless Ulta ~The End of the Shining World~
- Publishing Associations:ENGINE SMOKER
References
Data compiled on: 2026-10-07.