I am totally late with this!!
I would totally choose coffee. while i loved seeing bts perform live at kcon this year....let's be honest.....who would pass up a 1 on 1 coffee date with their ultimate bias? during a concert your in a sea of fans and the likelihood of them noticing you is like slim to none but with a coffee date their attention is all yours! credit to @kpopandkimchi for bias week