One interesting plot twist could be that Female Izuku discovers she has a unique quirk that All Might didn't initially anticipate. This quirk might be related to some ancient power that suddenly emerges during a crucial battle. Another twist could be that her biological parents are actually villains in disguise, which adds a whole new layer of conflict and self - discovery for her. And perhaps there's a plot twist where All Might's own past is somehow intertwined with Female Izuku's origin in a way that changes their relationship dynamic completely.
Well, one plot twist could be that in the fanfiction, Female Izuku is adopted by All Might, but it turns out that All Might was being manipulated into doing so by a villain who wants to use Izuku as a weapon. As she grows up, she starts to suspect something strange about her adoption. Another interesting twist is that Female Izuku's quirk is not what it seems. Instead of being a physical or combat - related quirk, it's a quirk that can manipulate time in small increments. This changes the way she approaches hero training and battles. And then there could be a twist where she discovers that she has a connection to an alternate dimension, and this connection is related to her adoption by All Might in some way.
A possible plot twist is that Female Izuku is actually part of an experiment by a secret organization. All Might unknowingly adopts her, and as she grows, she starts to show signs of powers that are not normal quirks. This leads to a race against time to figure out what was done to her before it's too late. Also, she could be a key to saving the world from a prophecy that only she can fulfill, which is a huge plot twist considering her humble beginnings. Another one could be that she has a split personality due to the trauma of her past, and one of the personalities has a very different set of powers.
One idea could be All Might discovers baby Izuku has a unique quirk manifestation at a very young age and decides to secretly train him from then. Another could be a story where baby Izuku is in some sort of danger and All Might has to protect him while also hiding his identity from the public. Maybe there's a fanfic where All Might time - travels and meets baby Izuku in the past, and tries to change his future for the better.
One interesting plot point could be how Izuku adjusts to living with Midnight. He might learn new ways of using his quirk under her guidance. Another could be the relationship dynamics that develop between Izuku and Midnight's friends or colleagues in the hero world.
One possible plot twist could be that the revelation of Izuku being All Might's son makes him a target. Villains might see him as a valuable hostage or a way to get back at All Might. Another twist could be that there are some hidden powers or abilities that Izuku inherits from All Might that were previously unknown. This could change the way he fights and his role in the hero world.
One interesting plot twist could be that Izuku initially doesn't know about his father's true identity. He grows up believing he has no quirk and then discovers his father is All For One. Another twist could be that All For One has some hidden motives for fathering Izuku, like using him as a pawn in a bigger scheme against the heroes.
One interesting plot twist could be that Hermione's real family is a powerful wizarding dynasty in hiding. For example, they might have been in hiding from a dark wizard who was after their unique magical abilities. Another could be that she was adopted to protect her from a prophecy related to her future powers. Maybe she discovers that she has a connection to an ancient magical artifact that only her real family knew about, and this discovery changes her whole perspective on her identity and place in the wizarding world.
In this fanfiction, Female Izuku might face different challenges due to her gender. For example, she could face more discrimination in the hero world which is male - dominated in the original. This would force her to be more assertive and prove herself in a different way than Canon Izuku. Also, her relationship with All Might as an adopted daughter would bring out different emotional aspects. She might be more guarded or more open depending on how she interprets her new family situation, which is different from Canon Izuku's relationship with All Might as a mentor.
One interesting plot twist could be that the son of All Might actually has a quirk that seems weak at first but turns out to be extremely powerful in a unique situation. For example, his quirk might be the ability to sense danger, which initially makes him seem like a liability. But later, when facing an enemy who can hide their presence, his quirk becomes crucial for the heroes' victory.
One interesting plot twist could be Percy finding out he has a hidden power related to Hades' realm that he didn't know about before. Maybe he can control a special type of underworld creature that no one has ever seen. Another could be Percy having to face off against a false heir to Hades' throne who is trying to frame him for crimes in the underworld.
In these fanfictions, Izuku could be stronger because of his strategic thinking. He might analyze battles more carefully than All Might and use his quirk in more creative ways. Also, his experiences could be different from All Might's, leading to a different kind of strength. For instance, he may have faced tougher challenges at an earlier stage which forced him to adapt and become stronger more quickly.
Well, a major theme is growth. In these fanfictions, female Izuku grows both as a person and as a hero with All Might's influence. Overcoming adversity is also a key theme. Whether it's dealing with villains or self - doubt, female Izuku and All Might face challenges together. And there's the theme of inspiration. All Might serves as an inspiration for female Izuku, and in some cases, she also inspires him in return.