Queendom
퀸덤 (original)
A musical battle between 6 trending girl group acts, in order to "determine the real number one" when all 6 release their songs at the same time.
Starring
Watch "Queendom" on Viu released in 2019. It's a reality show, and has a rating of 8 out of 10 from Imdb which is usually fine for this kind of show.