I'm talking about Gaon, not Melon. And the fact that I didn't know a random fact about UU doesn't make me less of a fan. Girl group charting was subpar outside of a few notable songs in 2019, I know well.
saying umpah umpah barely outcharted rbb is really bold... you should put gaon on that sentence. i thought you talked about how umpah umpah did as whole