This hack changes the colors of all eight wrestlers, to make them look more accurate to their real life counterparts.
The 0xED hex editor was used to change the colors.
Database match: Toukon Club (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 372CB927F19EA087F3A3D4A62BF2FA9BF6F81F1D
File CRC32: 33963D30
ROM SHA-1: 6A8B5768F50F9CFE21897D26F28E98D3EB6A0FB1
ROM CRC32: EA3E78DD