No. Harry Potter is a distinct and original wizarding world created by J.K. Rowling, with its own unique characters, storylines, and magic system. It has no relation to the Axel Kingdom Hearts fanfiction.
In many Kingdom Hearts fanfics, Axel is often portrayed as a complex character. He's typically shown with his loyalty to his friends, like Roxas, being a central aspect. His cool and somewhat aloof exterior hides a deep sense of longing and a desire for connection. Writers often explore his past in the Organization and how that has shaped him.
They have a very complex relationship in the game. Axel is often protective of Roxas, and there are many emotional moments between them. This gives fanfiction writers a lot to work with.
Character interaction is a key element. Axel interacting with characters from different universes can lead to interesting dynamics. For example, his fiery personality might clash or blend well with more reserved characters.
There are quite a few. One popular one is 'Axel's Redemption' which delves deep into an original character's journey alongside Axel. It really explores the complex relationships within the Kingdom Hearts universe in a new and exciting way.
Axel shows his love through his actions. He'll protect the reader from danger, like when facing off against Organization XIII members who might see the reader as a threat.
One romantic moment could be when Axel saves the reader from a Heartless attack. He swoops in, his chakrams flashing, and then holds the reader close, looking into their eyes with his intense red ones. It shows his protective side which can be very romantic.
The settings are different. Harry Potter is set mainly in the wizarding world of the UK, with Hogwarts School of Witchcraft and Wizardry as a central location. In contrast, Axel Kingdom Hearts has its own unique settings. So, just from the locations, it's clear they are not related in the way of one being a fanfiction of the other.
A common plot involves Axel's relationships. For instance, his friendship with Roxas. Fanfics might explore what would have happened if he had been able to save Roxas from his fate in the original story. Also, his interactions with other key characters like Kairi or Riku can form interesting plots.
There's also 'Axel and Roxas: A New Beginning'. This fanfic starts from a unique point in their story, perhaps a moment that wasn't fully explored in the original game. It focuses on Axel's determination to protect Roxas and how Roxas comes to rely on him more and more. The writer really captures the essence of their friendship and the potential for something deeper.