Your Majesty (Yandere nobility x reader)

Y/N is a simple daughter of a viscount. Her life is chaotic; the leader the second prince's fan club; the only friend of a royal knight; the fiancée of the son of an archduke; and happens to the Crown Prince of a neighbouring country's childhood friend!

After discovering a book that depicts her as a villainess, she decides that her life should be her own, stirring form the path the villainess goes down. There are secrets she's not aware of however, her fiancée who supposedly hates her tries to stop their engagement from annulling, the second princes pines for her attention and her knight has gone mad. Is her childhood friend as innocent as he seems? As the season for courting approaches she can't help but feel like sinister things are in play.