Yes, there's 11 of them. They were formed in 2016 on the musical reality/competition program "Produce 101" in which the group was chosen through a series of trials from a pool 101 trainees from various companies. It was a popular program and ensured them a broad platform or recognition from which to launch their already sky-rocketing careers.
And are they any good? You tell me:
Whew.... And now this instant classic: