Newbies, BTS/Bangtan Boys have proved that newbies aren't an exception in the popularity in K-pop.
From debuting, how did they maintain their charisma to fans?
Check out a detailed review here:
https://www.kpopstarz.com/articles/70134/20140107/beginning-with-a-bang-what-it-means-to-have-a-breakout-debut-year-bts-year-end-review.htm