^Uee is the most popular in korea because she's in a lot of CFs (she's on the top 5 of highest earning from CFs in korea
) and in dramas too.
Kahi and Nana are the most popular among AS fans, but not with the general public.
OMG THAT GUY COMPOSED MIDNIGHT CIRCUS??? OMFG THEN I'M EXPECTING A FLAWLESS SONG