Kaii to Otome to Kamikakushi - Vol. 4 Ch. 34 - 34th Mystery: Shrine Princess

[MangaDex]

 

[Gem-Bug]

Yamishibai!!

 

[Animeforever23]

Yea I had realized that too.

 

[SentientJDAM]

Quick correction- people generally don't say that a vtuber "retires"- instead, they graduate. I believe it's the same for regular idols.