Open the CTuber project in your editor
Add the new outfit image or sprite to the assets folder
Import the new asset into the project
Create a new outfit entry in the character configuration
Set the outfit name and asset path
Assign the outfit to the correct character
Update any outfit selection menu or UI list
Add any required animations or states for the new outfit
Save the changes
Test the outfit in the game or app
Fix any missing references or display issues
Export or build the updated project