Well, in some fanfictions of this kind, Izuku as a girl might discover new aspects of her Quirk. Since the physical change could potentially affect how she uses her power. Also, there could be a plotline where she has to deal with romantic interests in a new way. As a girl, she might attract different kinds of attention from her male classmates, and she has to navigate through those new feelings and situations.
In 'izuku turns into a girl fanfiction', a common plotline is her participation in hero training activities while being a girl. She may face challenges that are different from when she was male. For instance, she might have to prove herself more in a male - dominated hero training environment. And she could also form new alliances or rivalries with other female characters in the story. This change of gender can bring a whole new dynamic to the story's development.
One possible plotline could be Naruto, as a girl, having to deal with the different expectations of the ninja world. For example, she might face more challenges in being taken seriously as a strong ninja. Another could be her relationships with other characters changing. Her male friends might start to see her in a new light, leading to some interesting friendship or even romantic developments.
Perhaps there could be a plot where Luffy, as a girl, has to use different strategies in battles. Since the opponents might underestimate a female opponent, Luffy could use this to her advantage and surprise them with her strength. This would also show a different side of Luffy's combat intelligence.
A great plotline could be that Harry, now a girl, has to navigate the world of wizarding fashion and etiquette which she previously ignored. She might be forced to attend more social events at Hogwarts, like balls or tea parties, where she has to learn proper behavior. And she could also use her new identity to her advantage when it comes to spying on the Death Eaters. They might underestimate her because she's a girl, but she could outwit them.
Well, perhaps a plotline could involve Sasuke turning into a girl and using this new form to his advantage in some undercover mission. He could infiltrate an enemy group more easily as a girl. Also, there could be a love triangle where some of the characters who previously saw Sasuke as a male now have different feelings towards him as a girl, which would create a lot of drama and conflict.
One possible plotline could be Izuku using his knowledge of Pokemon to help him in his hero training. For example, he might study how Pokemon use their unique abilities and apply similar strategies in combat against villains.
One possible plotline could be Izuku having superhuman abilities that are not like the normal quirks in the original story. For example, he might have the ability to manipulate time or space in ways that are completely unheard of in the My Hero Academia universe. This could lead to him being both feared and revered by others.
Izuku herself is obviously a very popular character in this type of fanfiction. Since the whole story revolves around her transformation into a girl. Her friends like Ochaco Uraraka also tend to be popular as they often play important roles in Izuku's new life as a girl. Their relationship might change and develop in interesting ways.
Another aspect is the character development. He has to learn to control this new form, which means dealing with new instincts and emotions. It's like he has a whole new side of himself to explore and understand. For example, in some fanfictions, his dragon form makes him more confident in some ways but also more reckless in others. This internal struggle is really engaging to read about. Moreover, the relationships around him change too. His friends might be in awe or a bit scared at first, and how they all adapt to this new Izuku is a big part of the story.
A more emotional plot could be Izuku as a cat being found by a villain who initially wants to use him against the heroes. But over time, the villain starts to develop a strange bond with the cat - Izuku. This then makes the villain question his own motives and actions.
One possible plotline could be Izuku adjusting to her new gender identity while still trying to pursue her dream of being a hero. She might face different challenges and prejudices in a male - dominated hero world as a girl. For example, some male characters might underestimate her at first but she proves them wrong with her skills and determination.