To be honest I did not expected this Youmu (PCB) will have a bop Myon dangdutan dj remix vibe for a theme.. But beside this Ost one was absolute awesomely mantul✨!
I actually am not sure if this is a remix of PCB Youmu's theme or not, and I really hope it'd not cuz this is hilarious and it's fire at the same time xD
No, but a similar idea. Youmu wasn't in EoSD, she originates from PCB, so this is the Youmu from PCB. Different games, but she's another character variation based on the character's initial appearance. Don't know if I explained it well enough, but I hope this answered your question!