This is for people who are playing Chunithm NEW PLUS as posted on page 16
Between NEW and NEW PLUS, 7 songs and 15 world's end charts have been retired from the game (see images attached). This option file will restore these songs/charts into the game, as well as enable permanently the April Fool's World's End charts (designated by the 嘘 character).
Instructions:
1) Put the A114 folder into Chunithm NEW PLUS\option. This is assuming you only have A141, A201, and A202 there. If you already have an existing A114 folder, you can merge them and there shouldn't be any duplicate files. This is compatible with the omni pack a couple posts above.
2) Replace the event.xml file in Chunithm NEW PLUS\app\data\A000\event\event00011048. This event file contains the list of World's End songs. If you don't want to overwrite, then you may choose to copy over the additional strings in the file.
You should see +7 to POPS & ANIME, and +22 to WORLD'S END
https://drive.google.com/file/d/14hxCm4v7w-YDokm_KaJ7dAPUzreHRm9_/view?usp=sharing
Many thanks to various other users for the guidance I have been receiving so far.