BTS won't have to worry about their moderate digital sales in the beginning because they're pretty much having the EXO effect right now
Run
453,852 + 126,902 (580,754)
I Need U
617,193 + 165,127 (782,320)
Dope
106,744 + 253,605 (360,349)
Fire
384,300 + 47,933 (432,233)
Since they're at their peak of their career/popularity, their titles will grow and might just end up selling a lot