As Izuku gets abused at home for not having a quirk and was forced to be in an arrange marriage with a girl he doesn't even want during his mindscape he met Broly 1/3rd of the Sayian warriors and helped Izuku get stronger and had him move out because of a place that was meant for him to have. As Izuku was still in an arrange marriage with the girl he doesn't want he saw a girl who was able to understand him when he told her about his past and forced him to marry a girl he doesn't even want she grew closer with him and took him for herself.
Ship:
Izuku x Momo