4th gen it girl

This refers to Wonyoung from IVE, Yuna from ITZY, Sullyoon from NMIXX, or Karina from AESPA
Every kpop generation lasts a few years, 4th gen is from 2018-2022 so 4th gen groups are groups that were made during 2018-2022
This is a term in kpop

Karina is THE 4th gen it girl

4th gen japanese it girl

This phrase should ONLY be used to describe Fukutomi Tsuki from Billlie. With her iconic fancam no japanese idol comes close i fear

“Tsuki is the 4th gen japanese it girl and if u disagree kys!!”