Drunk

Deku gets drunk one night and on his way home he bumps into someone, accidentally activating their quirk. Deku awakes in bed with with Todorki and Bakugo, freaked out by this he quickly jumps out of bed confusing the other two males. Once they get to talking about what's going on we find out that I our Deku was transported into another universe. In this world Deku is married to both Todorki and Bakugo, they also have many children together.
(Artwork is mine, please don't steal)