Kuroshitsuji (黒執事 Black Butler) is a manga written and illustrated by Yana Toboso. Anime, musical, and video game adaptions have been made based on her series
Plot:
In a manor house on the outskirts of Victorian era London, butler Sebastian Michaelis serves Ciel Phantomhive, the head of an English noble family as well as a toy, food, and candy empire. Sebastian carries out any task required by his master and solves the problems plaguing England with ease and perfection because of his demonic lineage and Faustian contract with his master.
waaa Ciel! D: