The unspoken rule when it comes to vtuber song collabs

This stream was funny as heck but this part was the most informative part in my opinion

Source:
https://youtu.be/-wNPQ5AiFNk

Holoro collab
https://youtu.be/s_HsEltY_O0

Ollie/astel okochama sensou
https://youtu.be/pOsqlM_6JcI

Axel bad end night
https://youtu.be/wFTSE4h4SSs

Kureiji Ollie Ch. Hololive-ID
https://youtube.com/channel/UCYz_5n-uDuChHtLo7My1HnQ