Toxic! Various black butler x reader (under editing)

"I'm addicted to don't you know that your toxic"-Britney Spears toxic
Y/n is a rare species made by god and Lucifer but her kind has a big heart that other monsters take advantage of. her species has died out, and she's the only one she hides out as a high noble also known as the queen's griffin she has to work with Marshall (her butler) and others see what happens
-black butler belongs to Yana toboso
I literally started writing this when I was 12, so I'm rewatching the anime and actually writing the fanfic accurate to the anime so expect some changes.