Secret (Dad for two) (Shigadeku siblings)
Deku is an assassin in this AU. Deku likes to kill, but he doesn't do that often, he mostly kills people with a reason. Not to mention, he also hates his boss. And no, he's not a traitor in UA. Aizawa and Nezu knows that Deku is an assasin, as well being the son of AFO and the little brother of Shigaraki Tomura. But...