Bangtan Boys (방탄소년단 Bangtan Sonyeondan), also known as BTS, have been breaking chart records and winning over fans worldwide.
Their popularity is partly powered by their huge social media presence and socially aware songs.
In 2016, BTS were the most-retweeted artist on Twitter and now boast over 8 million followers, 4 million YouTube subscribers and 5 million fans on Facebook.