A young boy sells his soul to a demon in order to avenge his family's death and successfully lead their influential toy manufacturing company. The demon takes the form of a loyal butler who's always dressed in black and is required to protect, serve and arrive whenever summoned by his young master Ciel.
Did You Know?
The same voice actor that does Sebastian plays as Kyoya in Ourran Highschool Host Club. See more
I'm simply one hell of a butler.
A sneak peak of the next episode is shown after the end credits of each episode narrated by Sebastian. See more
Followed by Kuroshitsuji II
Performed by Sid See more