"Can death visit a Grim Reaper? Why can't the souls be collected? Alongside the sad and painful investigation is a Noir Fantasy in which the strings are pulled by the Black Butler."

Kuroshitsuji: The Most Beautiful Death in the World

England, the 19th Century. The almighty butler Sebastian of the Phantomhive House: the "evil nobles" that are contracted to perform Queen Victoria's "underground" work. His true form is that of a demon. According to his contract with his young Master Ciel, a proudly independent boy who faces his cursed fate head-on, he becomes Ciel's shadow and cleans up the incidents that occur in the underground society.