Up to 16 can be installed.

1. Open the local "Cento" files. (C:\Program Files (x86)\Steam\steamapps\common\Cento)
   
2. Place your created PNG files in the Data\custom_shell folder.
   
3. Launch the game and you can change your character's appearance from the Equipment.

(Try moving tetori2.png from the sample folder to the custom_shell folder as a test!)
Create 38 PNG images of 96×80 size and combine them horizontally into a single PNG (3648×80).
If you own "Aseprite," please use the ASE files in the sample folder for production. If using other software, please utilize template.png for your creation.

Create music file (ogg) and chart file (ini), and place them in Cento/Data/custom_stage.

• Up to 16 can be installed.
  
• Songs with tempo changes are not recommended.
  
• Convert the music to ogg format.
  
• If there is a blank section at the beginning of the song, the rhythm may be off.
  (Use Audacity or other DTM software to check the above two points.)

• Use the same filename as the music file.
  
• Write various items in the ini file based on the explanations below or refer to videos.

[music]
name = Stage name displayed in the game
bpm = BPM of the song
part = Position where a thick white line is drawn on the bar
swing = 1 for songs with a bouncy rhythm (like Onsen or Trailhead), otherwise 0
pre_loop = Start beat of the loop during battle preparation and coin toss
pre_end = End beat of the loop during battle preparation and coin toss
in_start = Start beat from coin toss decision to battle start
in_end = End beat from coin toss decision to battle start
main_loop = Start beat of the loop during battle
main_end = End beat of the loop during battle
score = Refer to below