Another idea could be that as a girl, Izuku's quirk manifestation or training might be affected. She could be underestimated because of her gender, but then use that to her advantage in a surprising way. For instance, she might be more observant or have a different approach to using her quirk that others don't expect, which could make for an exciting plot twist.
Perhaps in the fanfiction, Izuku as a girl might have a different relationship dynamic with her friends. Her friendships with male characters could take on a new aspect, like a protective or sisterly role. It could also add a new layer to her relationship with Bakugo, maybe changing the nature of their rivalry to something more complex due to gender differences.
Perhaps in this fanfiction, Izuku as a girl might face different challenges in the hero world. Society could have different expectations of a female hero, which would add a new layer to her character development. She might have to deal with sexism while trying to prove herself as a capable hero, just like real - world female heroes often do.
One interesting idea could be how Luffy's friends react when they find out. Maybe they are shocked at first but then quickly accept it and support Luffy as always.
Well, one idea could be that Bilbo's secret as a girl might lead to unique adventures. Maybe she has to hide her identity while on the journey, which could add a whole new layer of intrigue to the story. For example, she might have to pretend to be a male hobbit in situations where being female could be a disadvantage.
In this type of fanfiction, a great plot idea could be that Naruto's female identity is tied to some sort of ancient prophecy. Only as a girl can she fulfill this prophecy which could involve saving the ninja world in a different way than in the original story. Her secrecy then becomes crucial not just for her own safety but for the fate of the entire world. And as she tries to keep her secret, she has to navigate the challenges of being a girl in a world that expects her to be a boy.
A possible plot for the 'Tsuna is secretly a girl' fanfiction could be that Tsuna is a talented athlete in a boys - only sports team. She has to keep her gender a secret because she's afraid of losing her position. However, as she gets closer to her teammates, she realizes that they would accept her for who she is. Along the way, there could be a rival from another team who discovers her secret and tries to use it against her, but in the end, Tsuna overcomes this obstacle and is able to be open about being a girl.
One idea could be that Ed has to keep her true gender a secret while on her alchemic adventures to avoid discrimination in a male - dominated alchemic world. Another could be that she forms unique relationships with other characters who might suspect or eventually discover her secret.
One idea could be that Percy, as a girl, has to deal with different expectations in the demigod world. For example, some might assume she's not as strong physically, but she proves them wrong by outperforming many male demigods in combat training. Another plot could involve her having a different kind of relationship with Annabeth. Instead of the typical male - female friendship - romance dynamic, they could have a more sisterly bond that still has elements of competitiveness and deep mutual respect.
Izuku might become more self - conscious about her appearance in this fanfiction. Since she is a girl, she could face different beauty standards, which may influence her confidence in different ways compared to when she was male - presenting in the original story.
Maybe the story could focus on how Izuku, as a girl secretly, has different perspectives and experiences compared to her male counterparts. She might face unique challenges in a male - dominated hero society, like having to prove herself even more. And there could be a sub - plot about her developing a romantic interest in another character, but being hesitant because of her secret.
One plot idea could be that Sasuke has been secretly a girl all along but has been hiding it to fit into the male - dominated ninja world. She could struggle with her identity while also having to deal with her feelings for Naruto in a new light. Another idea is that she's a girl in disguise to seek revenge on those who wronged her family, and as the story progresses, her true self starts to emerge.