After Momo lost a game she was punished by asking Izuku out. As Momo realized that she was punished to ask her own boyfriend out and she did only telling him it was a punishment game as he knows and she slept with him after that. Soon after her punishment was over everyone was ready to laugh at Izuku due to thinking she really loved him as they saw them hold hands after Momo punishment and they were confused as to why Izuku feelings wasn't played with and Momo told them they gave her a easy punishment that made her love him more and now the girls tried to break them up well all but one is trying not to break them up as the girls shipped them even Ochako ships them.

Ship

Izuku x Momo

And one more thing just a meme