Years after Ua had some type of mishap with Izuku they regret what they did to him including jirou as she called him Momo answers it and they spoke and she told her that he doesn't want to hear her even after what she did to him and she understood and didn't even try to fight it as she told him she was sorry. Izuku became the most popular singer in the whole world. Both Izuku and Momo got another child after 3 years of having Aiko. Aiko took after Izuku and became a singer herself and she became a big hit after her dad and she did a lot to out both of her parents in retirement. Both Izuku and Momo raised their children very well and supported them threw out the day and their children promised them they'll do the same to them by having them live together in piece.
That's the end of this story.