beta
I found a guess you could call it a what if manga where all might chooses Lemillion (Mirio Togata) and Deku was trained by Hero Killer Stain (Chizome Akaguro) and joins UA as a quirk less sword wielder
It is called : Boku no hero true hero
https://www.mangago.zone/read-manga/boku_no_hero_true_hero/