Obviously, Bakugo would be one of the most affected. His relationship with Izuku has always been complex, and Izuku becoming a girl would surely change the dynamic between them. He might have to re - evaluate his feelings of rivalry and superiority. All Might would also be affected. As Izuku's mentor, he would need to adjust his training methods and support system to fit Izuku's new situation as a girl.
In some 'izuku gets turned into a girl fanfiction', a great plot is her struggle with self - identity. She has been a boy all her life and suddenly being a girl is a huge change. She might question her place in the hero world, whether she can still be as strong and respected. And the story could explore how she overcomes this internal conflict, perhaps with the help of her friends. At the same time, her appearance change could also lead to some comical situations, like when her old friends first see her new form and their shocked reactions.
Well, it could start with some magical or scientific accident that causes Robin to be transformed. Maybe he was messing around with a new gadget in the Batcave that had unforeseen side effects. Then, the story could explore how Robin has to adapt to life as a girl. He might face challenges like getting used to different clothing styles, or dealing with how people around him react. There could also be some comical moments, like when the other superheroes are really confused at first but then try to be supportive.
It might be due to some scientific experiment gone haywire. In a fanfiction world where science and ninja techniques are combined, an experiment that was supposed to enhance Sasuke's abilities could have had the unexpected side - effect of changing his gender. This could lead to all sorts of interesting plot developments, like how he copes with his new physical form and how his relationships with other characters change.
Often, it could be fans who are interested in exploring different aspects of the Link character. These might be female fans who want to see a different perspective on the typically male hero. They might be creative writers who like to play with gender - swapping concepts in fanfiction.
One possible plot could be that Ash wakes up one day as a girl and has to deal with all the changes in his daily Pokémon adventures. For example, he might have to adapt to new clothing styles and different social interactions. His Pokémon might also react in various ways to his new form.
One possible plot could be Stiles' struggle to adapt to his new female body. He might have to deal with different social expectations and how his friends react to his new appearance. Another plot could involve Stiles trying to find a way to turn back into his male self while facing various challenges along the way.
There might be a jealous friend or acquaintance who feels that Stiles, as a girl, is getting too much attention. This person could then start spreading rumors or causing trouble for Stiles in an attempt to bring her down.
Well, perhaps there could be a plot where Percy, as a girl, has to form new relationships. She might have a different dynamic with her male friends now that she's a girl. And there could be a story arc about her coming to terms with her new identity. Maybe she discovers new aspects of herself that were hidden when she was a boy. Also, it could be interesting if she uses her new form to her advantage in some situations, like fooling her enemies who are used to dealing with the male Percy.
Well, he might have a whole new perspective on things. For example, his relationships with other characters would change. He'd probably have different interactions with Annabeth. Maybe she'd see him in a new light and they'd have to re - evaluate their friendship or more - than - friendship feelings. Also, his battles would be different as a girl. He might use his new - found femininity to his advantage, like using opponents' underestimation of a girl to surprise them in combat.