Obviously, Gohan as a girl would be the main character. His family members like Goku, Chi - Chi, and Goten would likely be in the story. They would have different reactions and interactions with Gohan in his new form.
Well, it could be about Gohan's daily life experiences as a girl. Maybe he has to deal with different social situations, like how his friends and family react to his new form.
It could be many characters. Maybe it was Videl. In the Dragon Ball series, Videl is a strong - willed girl, and she has a connection with Gohan. So in the fanfiction, it might be her that Gohan thought was cute.
Next, consider how Link will react to becoming a girl. Will he be confused, angry, or curious? His emotions and internal struggle can be a big part of the fanfic. You can also think about how the other characters in the Zelda universe will react to his new form. Some might be accepting, while others could be more hostile or confused.
In the fanfic, Link could be magically changed into a girl due to a wish made by an innocent character. Link then has to find a way to reverse the transformation while still dealing with the challenges of the world. He might face discrimination or different expectations from others in his new form, which could add depth to the story.
If Gohan was a girl, the dynamics within the Dragon Ball universe would shift. Her relationships with other characters might be altered, and her power development could take a unique path.
One possible aspect to consider in this fanfic could be the implications on Penny's relationships. Since she becomes a real girl, her interactions with Ruby and the others might change. For example, she could experience more complex emotions and form deeper bonds. Also, the way she views herself and her purpose in the RWBY world would likely shift. She might start to question her place among the humans and Huntsmen more deeply.
In a 'sonic becomes a girl fanfic', the story could start with some kind of magical or scientific accident that turns Sonic into a girl. She then has to navigate her world with a new body. She may discover new abilities or limitations. Perhaps she teams up with female characters in the Sonic universe more often now and they form a strong girl - power group to take on the bad guys. There could also be a focus on how Sonic adjusts to her new appearance and how it affects her relationships with characters like Knuckles, who may have a different dynamic with her now.
In a 'sans becomes a girl fanfic', perhaps Sans - now a girl - decides to use this new form to her advantage. She could try to infiltrate a group that was previously only male - dominated in the Underground. This would lead to a whole series of adventures as she tries to keep her true identity a secret while achieving her goals.
Well, it could be about Ash waking up one day as a girl and having to deal with all the changes in his, now her, life. Maybe she has to adjust to new social dynamics, different reactions from friends and rivals, and also how to handle Pokémon battles in a different body.