The popular loner

In which Percy Jackson is a girl, the gods are magical royalty, and she learns at Hogwarts with the Marauders.

-English is not my first language.
- I took a lot of ideas from other fanfics but the plot is original as far as I know.
- correct me about spelling or grammar if I am wrong
~~ no character belongs to me, all of them belongs to uncle Rick and J.K Rowling~~