The elegant vampire and his bait {LeviXeren fan fiction} {BoyXBoy}

What happens when a young and wealthy man named Levi takes a boy named Eren off, the horrible and dirty streets of London , nothing much really, he tells Eren that he must work in his home for his keep but in London ever nobleman or women have a dark secret, that keeps hidden away from social society, once Eren see's the way Levi treats his staff will Eren escape?