Male reader and TF2 X BNHA Harem

10 Mercenaries. 9 of them quirkless, the 10th with a quirk that helps onto in a fight to the death All in a world of powers. Yet powerful on their own. Paid to kill, die, get revived and do it all over again. Not close to being heroes. Yet they're going to a FUCKING SCHOOL TO BE HEROES! LIKE WHY?!? Had this idea the o...