SEOUL, SOUTH KOREA - FEBRUARY 17: Boy band EXO attends the 5th Gaon Chart K-Pop Awards on February 17, 2016 in Seoul, South Korea. (Photo by Han Myung-Gu/WireImage) EXO rules the albums chart in their ...

Two music groups, three languages, four million-selling albums, five Album of the Year awards at the Mnet Asian Music Awards and six whole years—no matter which way you cut the numbers, though, one ...