Basically, Nagisa finds himself in mha, the question is how is he going to get home? And how is he going to make a living until then. Also what do you mean quirks?

What if Hisashi Midoriya is All For One? What if he was actually a decent dad? What if he gave up crime in order to protect the family he loves so much? And what if All Might thinks he's in hiding to build a new army? Crazy dysfunctional family shenanigans and anxious paranoid heroes await you! - Based on my Dad For One one-shot -