By Apr 23, 2021 On Thursday, Apr. 22, Gaon Music Chart dropped their post-corona first-quarter analysis of the K-pop market. Want to know which male idols had the best physical album sales for the first quarter of the year? Then keep on reading! BTS is the Male Idol with the Best Physical Album Sales for the First Quarter of 2021 Sitting at the top of the list is BTS. Not only are they the male artists with the best physical album sales, but they are also, overall, the best K-pop act with the best physical album sales for the first quarter of 2021. By Apr. 22. BTS sold 1,554,843 physical albums, amounting to 22.5% of the total shares among male artists.