Average girl Namjoon x reader

A sketchy house. Where it all starts, will my job get in between us, or is he unbothered?
All I can say, is that he won't know till I fully trust him, or till he finds out on accident while out with his friends? A group of 7 all out to party, but one is displeased at the sight of his " Best friend" up on stage, and having all of the 6 other boys as competition.