They made a comeback in September 2013 with an extended play, O!RUL8,2?. The group debuted in South Korea on June 13, 2013, with the single album 2 Cool 4 Skool. As of April 2020, BTS has sold over 20 million physical albums in less than 7 years, making them the best-selling Korean act of all time. In December 2018, BTS surpassed 10 million albums sold, setting the record for reaching the 10 million milestone in the shortest span of time (5½ years) among all Korean acts to have debuted since 2000, with 5 million of those albums being sold in South Korea in 2018 alone. South Korean boy group BTS has released nine studio albums (one of which was reissued under a different title), six compilation albums, and six extended plays.
