Momo was being accused of killing Izuku. Momo has been defending herself saying that she hasn't killed her husband at all as everyone was against her except for her family and her in laws. What they failed to realize is that someone in the group attempted to kill Izuku  just to make it seems like it was Momo. Soon after a while during her last trial to see if she could of done it they witnessed him in the door as he defended her and told them who was the real killer.

Ship

Izuku x Momo