Inside the archive tou can find save-files with various progress (Post Fear Bosses, One-Time Events in New Black Space, All Keys and All Enemies, etc). Good luck!
Omori

SaveGame Description

Installation
1. Download archive (Last Update: 4.04.25).
2. Extract files using 7-Zip (WinRar) ulillity program.
3. Backup your saves.
4. Copy the data to the following folder:
C:\Program Files (x86)\Steam\steamapps\common\Omori. *
5. Run Omori!C:\Program Files (x86)\Steam\steamapps\common\Omori. *
* The paths may change depending on the version of the Operating system.

Download Save

Save Editor
Bad News! There is no save-editor (or information about it) found for this game! Sorry!