Haachama was a struggle to full combo because of the ending, but managed to do it after 2-3 tries.

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

Timestamps:
0:00 - Sharkventure
2:09 - Mythbuster
4:02 - Haachama

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