There are those who say that marks are destiny. But there is one who believes destiny is a trap. And there is nothing she will not do to make the world free.
Human isekai'd into Equestria, regular stuff, right? Wrong! He knows nothing of the show and he took over the body of Prince Blueblood. Shenanigans ensue.
When you love somepony, you have to deal with everything which comes with them. Fleur is perfectly aware that she's effectively inherited Zephyr. She just doesn't understand why she isn't allowed to kill him.
Having realized that the duration of Discord's "reform" may exactly equal his only friend's lifespan, the palace sends Fleur to assist Fluttershy with acquiring a social life and guarantee a next generation to adore. (What could possibly go wrong?)
Yesterday, she was a sweet, somewhat old-fashioned exchange student trying to find her place in a strange culture. Today, Centorea Shianus is a new world's greatest terror.