The plot could involve a post - war scenario. After all the chaos, Toga and Izuku find solace in each other. Toga might have had a change of heart during the battles and Izuku, being the empathetic person he is, sees the good in her. They get married secretly at first, and then gradually try to make their relationship known. Their union could be a symbol of hope for a new era where people are not just defined by their past actions but by their potential for change.
One idea could be that they have to overcome the differences in their backgrounds. Izuku is a hero - in - training from a more traditional hero - minded society, while Toga is from a villainous group. Their love could be the catalyst for change in both the hero and villain worlds, as they try to find a way to coexist and be together.
The plot might involve Izuku and Ochako having to overcome some obstacles before getting married. Maybe there are some villains who target them because of their relationship, thinking that a married hero couple could be a big threat. So they have to fight these villains together and prove that their love is stronger than any threat. Once they get married, they might go on a honeymoon to a secluded place, like a small island. There, they can relax and just be a normal couple for a while, away from the chaos of the hero world. And when they return, they are even more determined to make a positive impact on the world as a married couple.
One possible plot twist could be that Izuku suddenly loses his powers right before the wedding. This would add a lot of drama as they have to figure out how to deal with this new situation. Momo might have to use her intelligence and creativity to find a way to get Izuku's powers back or to help him adapt to a powerless life. Another plot twist could be that a villain kidnaps Momo on the wedding day, and Izuku has to go on a rescue mission, showing his heroic side even on his big day.
In this type of fanfiction, the plot might start with Izuku being bullied as usual because of his quirkless state. Toga witnesses this and for some reason, feels a connection. Maybe she was bullied in the past too, for her abnormal quirk. Toga then decides to protect Izuku from the bullies. Izuku is shocked but also grateful. As time passes, they start to communicate more. Izuku shares his dreams of being a hero even without a quirk, and Toga starts to question her own villainous ways. Their relationship develops as they influence each other's views on life and society.
One challenge could be public perception. Since Toga was a villain, society might not accept their union easily. People might be afraid that Toga could revert to her old ways and put Izuku and others in danger. Another challenge could be their different lifestyles. Izuku is used to a life of following the rules and being a hero, while Toga has a more chaotic and unpredictable past. Adjusting to a normal married life together could be really tough for them.
Fanfiction often takes liberties with the relationship between Izuku and Toga. It could also involve them teaming up against a common enemy. This would require them to put aside their differences and work together. Writers can use this to create exciting action - packed scenes and explore how they would communicate and cooperate in such a situation.
They could use their powers to protect each other. Izuku's One For All power can be used to physically defend Toga, while Toga's shape - shifting ability can be used for stealth and gathering information. For example, she could transform into someone to infiltrate a dangerous place to help Izuku in his hero work.
The plot could revolve around them starting a family. Izuku might be worried about how his dangerous hero job could affect their future children, while Mina is super excited about becoming a mother and tries to ease Izuku's concerns. They also could have adventures in parenting even before having kids, like taking care of a stray kitten together as practice.
One possible plot could be that Izuku and Momo face the challenges of balancing their hero work with their married life. They might have to deal with villains targeting their relationship or their combined strength. For example, a new villain might emerge who is jealous of their power couple status and tries to create rifts between them. They would then have to rely on their love and trust for each other to overcome these obstacles.
One possible plot could be that Gaara, as the Kazekage, has to form a political alliance through marriage. He chooses Sakura, a strong kunoichi from Konoha. At first, Sakura is hesitant as she has her life in Konoha. But as they start to spend time together, they discover each other's kind hearts. Gaara shows Sakura the beauty of the Sand Village and Sakura shares her medical knowledge. They gradually fall in love and have to face challenges from those who oppose the union between the two villages.