(Eren x Historia) Fifty Shades of EreHisu

Yes, hello, as you read the story title,this story will be based off of Fifty Shades of Grey, because I think that Eren would make a good Christian Grey. This is a (Slight Perverted!) Eren x Historia fan fiction for people who ship it,if you don't like Eren x Historia then don't read. :) And this story will be told i...