/vt/ - Virtual Youtubers

Japanese here
From my investigation,

[30s]
mio 38
korone 37
akiroze 36
koyori 34
flare 34
sora 34
azki 32
fubuki 32
marine 30

[20s]
pekora 29
luna 29
choco 29
towa 29
noel 28
miko 28
okayu 27
roboco 27
iroha 27
suisei 26
nene 26
ayame 25
matsuri 25
lamy 25
aqua 24
haachama 22
shion 22

[unknown or low credibility]
botan
lui
polka
chloe
subaru
kanata