By 2017, BTS had established a worldwide presence in the music industry, bringing the Korean Wave to the United Stated and shattering multiple sales records. What BTS album was the first one to sell one million copies in South Korea?

Wings, the group's second Korean studio album, was the first to sell one million copies in the country. The album was released in 2014 and was heavily inspired by Hermann Hesse's coming of age book Demian, which deals with themes of temptation and maturation.

Asked by Vasilii Kulev · Last updated 5 years ago · 251 views · SOURCE