Awe, this makes me miss Kiryu Coco even more now. :c
I'm glad KeatonHoshida's team added one last song while they work on the 5.0.0 update.

Go check out KeatonHishida for making this custom mod! https://www.youtube.com/channel/UCA3oHB9MgVrg8ZDwAYseSKw

Mod used:
HoloFunk (Hololive Funkin'): https://gamebanana.com/mods/41250

The game itself:
itch.io (+download): https://ninja-muffin24.itch.io/funkin
Newgrounds: https://www.newgrounds.com/portal/view/770371