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.
Contents of the supplementary edition
The August 2012 reading record lists three short stories: 'The Magician,' 'The Moon of Kadaz,' and 'Door to the Moon World,' as well as initial setting materials for 'Ultar Easy Guide'; The original and supplemented versions should not be mixed.
Supplemented printed edition
The expanded edition of 'Ultaru Kao ~Door to the Moon World~' is published in A5 format. The product record for COMIC ZIN lists the publication date as August 12, 2012, authored by Hikaru Sakurai, and the club is ENGINE SMOKER. The book contains novels set in Paris in 1900.
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
- Included Articles:Magician (Considered by Urtar)
- Included Articles:The Moon of Qaddas (Urtar's Thought)
- Included Articles:Door to the Moon World (Short Story of Urtar)
- Included Articles:ウルタール・イージーガイド
- Characters (2012 Replica):Ato (colorless urta)
- Characters (2012 Replica):Lurim Shaikos (Colorless Urta)
References
- Hikaru Sakurai's works Wiki: Ultar Considerations
- Nekosuke Reading Notes: Expanded Edition Reading Notes for the Door to the Moon World
- COMIC ZIN: Ultar Thoughts ~Door to the Lunar World~ Expanded Edition
- pzerox: Colorless Ultar Data Project
- Hikaru Sakurai: Comitia 100 (Nest of the ENGINE)
Data compiled on: 2026-10-07.