After everyone gotten married and had a family a group of 4 who's married but didn't have children yet. Those 4 are Izuku,Saiko,Shoto,and Momo one day both Izuku and Momo have a feeling that the both of them are double crossing them as they caught them and went to the town hall to divorce them and saw that both of them were signed and soon after their discovery both Izuku and Momo took it easy after they saw that they never wanted them and months after both started dating and afterwards got married as both of their ex lovers saw that and tried to break them up but it backfired as they got caught.

Ship
Izuku x Momo