After Mina and Ochako cheated on him as both of the class were told that he was the traitor to see who was smart enough to see past the trick and both sides had betrayed (half) and after they were told that he wasn't they all felt bad for betraying him they were forcing him to forgive him as he doesn't want nothing to deal with them.

Ship

Izuku x harem
Main

Momo went with him as she starts dating him before the other 2 did and kale and caulifa are kelts little sisters and they are also in the harem