>>8071084Its not supposed to be a 24/7 thing, it's like why so much design goes into their outfit when you only see their face.
Vtubing is more than streams, fanart and fan content is a big aspect of why they get big. They're anime characters and they play hard off the anime artist popularity. Lore and design goes a long way toward driving people to draw things about/for them or make fan stories and shit like that.
You don't reference it every 5 seconds, but the fact it's there gives you something to play on when you want to play on it. And it let's artists draw things with that in mind.