Exo is a South Korean-Chinese boy band based in Seoul, consisting of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai and Sehun. https://scratch.mit.edu/projects/496237958/

(WE ARE REAL EXO.)
(MAIN QUESTION FROM)
@CattBeats what do you mean by we?
Ans: We are with our members, etc. So, that's why we use "we" or "us".