-Chapter 1: Okuda creates a wormhole-

After successfully killing Korosensei, Karma and Okuda accidentally suck class 3E and their teachers into the world of Boku No Hero Academia.

Ships-
Bnha-
'Canon' ships plus Kacchako and Kirimina(if you don't count that as canon)
AssClass-
Semi canon (and Karairi) ships.