Perhaps the girl is a fan who writes letters to All Might all the time. One day, he decides to meet her in person. He discovers that she has some insecurities about her place in the world. As a 'dad' figure, All Might helps her see her own value. He might introduce her to other heroes, showing her that there are many ways to contribute to society, not just by having a powerful quirk.
Another plot could involve the girl being in trouble, perhaps kidnapped by villains who want to use her as bait for All Might. All Might then goes on a heroic journey to save her, and during this time, their bond deepens. He might share some of his own past experiences with her to give her strength and courage, and in the end, she becomes more determined to be like him.
One possible plotline could be that All Might takes on a fatherly role to a young girl who is a big fan. He could mentor her in developing her own heroic abilities, like teaching her how to use her quirk effectively. Maybe she's an orphan and he becomes a surrogate father, guiding her through the difficulties of growing up in a world full of villains.
Obviously, All Might would be one of the main characters. He is the 'dad' figure in this fanfic. The girl could be an original character created just for the story. She could be a young girl with a unique quirk, like the ability to manipulate light, for example. Her name could be something like Lily.
One possible plotline could be that the Todoroki children are kidnapped by a villain group who wants to use them against Endeavor. All Might then tracks them down and rescues them in a big showdown. Another plotline might be that the children are in danger within their own home due to Endeavor's past mistakes coming back to haunt them, and All Might intervenes to keep them safe.
In an 'All Might Dating Izuku's mom' fanfic, a plotline could start with All Might and Izuku's mom meeting by chance in their younger days. As they get to know each other, a relationship blossoms. This could then create a situation where All Might has to balance his role as a hero and his new relationship. Meanwhile, Izuku might grow up with a different understanding of his hero and his family. Or perhaps the plot could involve All Might having to keep his relationship a secret from the public due to his status as a symbol of peace, which adds a layer of secrecy and tension to the story.
There are indeed. Some fanfic writers find the idea of All Might being Deku's dad an interesting twist. It can lead to some really heartwarming and intense storylines. For example, in these fanfics, All Might might have a more personal reason for choosing Deku as his successor, and Deku could inherit not only One For All but also some other traits or legacies from All Might in a more family - related way.
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 possible plotline could be that Christian Grey's child is drawn into the vampire - werewolf conflict in the Twilight universe. As a single dad, he has to fight to keep his child safe. Another plotline might involve him falling in love with a character who is also involved in the supernatural world, and he has to navigate how this relationship affects his child. Maybe his child is befriended by a young vampire or werewolf, and he has to deal with that situation.
One possible plotline could be that they initially struggle to adapt to each other's lives. Adrien, in his dad's body, might have to deal with the pressures of running a business, while his dad in Adrien's body has to handle school and social life. This could lead to a lot of comical misunderstandings.
One possible plotline could be Keith growing up not knowing Lotor is his dad. Then, through some series of events in the story, like a battle or a discovery in an ancient ruin, he finds out the truth. This could lead to a lot of internal conflict as he has to come to terms with who his father is, considering Lotor's actions in the original series.
A plotline might be that House starts to notice patterns in his behavior that he traces back to the abuse. He realizes that his drug use and his abrasive personality could be coping mechanisms. As he delves deeper, he could start to work on changing these behaviors. Maybe he tries to find healthier ways to deal with his emotions, like through music or art, which could be a new aspect of his character not fully explored in the show.
Yes, there are quite a few out there. Some explore how All Might's relationship with Izuku would change if he was his father. For example, in some fanfics, All Might starts training Izuku much earlier in his life, which gives Izuku a huge advantage in developing his quirk. These fanfics often delve into the emotional side of their relationship as well, like how Izuku might feel having a hero as a father.