Outside Victorian-era London, one of the noble families of England - Phantomhive, has a butler, Sebastian Michaels. Sebastian Michaelis has unquestionably perfect knowledge, manners, talent with materials. Martial arts and much more. He serves the twelve-year-old head of an English noble family, Ciel Phantomhive. He carries out any task required from his master with ease and perfection because of his secret demonic lineage and a contract with his master.

Sebastian Michaelis (セバスチャン・ミカエリス, Sebasuchan Mikaerisu) is the butler of the Phantomhive household and Ciel's bodyguard, two jobs he is completely devoted to. He often describes himself as with a pun which reads as "a butler and a demon". He is highly skilled in any area and handles any task as well as any problem that arises from the errors of the other staff with ease. This is due to the fact he is a demon bound by a "contract" to abide by Ciel's will. A sign similar to the one marking Ciel's right eye can be found on his left hand, which has been used on one occasion to twist the arm of a kidnapper without touching him. Ironically, he has a soft spot for cats, and has one that he visits during stressful times.

Ciel Phantomhive (シエル・ファントムハイヴ, Shieru Fantomuhaivu) is the business-savvy, twelve-year-old head of the English Phantomhive noble family, taking over after the deaths of his parents. He also runs a company that manufactures toys and sweets. His right eye, which is always covered, bears the "sign of contract" which binds the demon Sebastian Michaelis to his will.

Meirin (メイリン): The house maid of the Phantomhive residence, she is very clumsy, and her glasses always are either slipping or breaking. It seems she has a crush on Sebastian, and she is kind heart but not completely as smart as Sebastian.

Finian(フィニアン): The gardener at the Phantomhive residence, he often screws up easily, and begs Sebastian to help him most of the time. Though he is sort of clumsy, he is also very silly but slow when spoken to.

Bard (バルドロイ, Barudoroi): The chef at the Phantomhive residence, though most of his food isn't 'eatable' or 'safe' he is also just as clumsy. Sebastian seems to help him sometimes.

Tanaka(タナカ): The steward at the Phantomhive residence. Tanaka takes it easy, drinking some of his tea and quietly watches everything go about.

Grell Sutcliff:Grell was disguised as Angelina's butler at the beginning, but was later revealed to be a shinigami and who had witnessed and killed just like Angelina had done. Grell seems silly, but he doesn't play around with the chainsaw in his hands. In the end, after a long battle with Sebastian, Grell is saved from Sebastian killing him and beaten by William for going against the rules as a shinigami. Grell is taken away by William and is not heard of since then.

01. "His Butler, Talented /Sono Shitsuji, Yūnō" (その執事、有能)
02. "His Butler, Strongest/Sono Shitsuji, Saikyō" (その執事、最強)
03. "His Butler, Omnipotent/Sono Shitsuji, Bannō" (その執事、万能)
04."His Butler, Capricious/Sono Shitsuji, Suikyō" (その執事、酔狂)
05. "His Butler, Encounters/Sono Shitsuji, Kaikō" (その執事、邂逅)
06. "His Butler, at the Funeral/Sono Shitsuji, Sōsō" (その執事、葬送)
07. "His Butler, in Pleasure/Sono Shitsuji, Yūkō" (その執事、遊興)
08. "His Butler, Trains/Sono Shitsuji, Chōkyō" (その執事、調教)
09. "His Butler, in an Illusion/Sono Shitsuji, Genzō" (その執事、幻像)
10. "His Butler, on Ice/Sono Shitsuji, Hyōjō" (その執事、氷上)
11. "His Butler, Whatever/Sono Shitsuji, Ikayō" (その執事、如何様)
12. "His Butler, Lonely/Sono Shitsuji, Sekiryō" (その執事、寂寥)
13. "His Butler, Dependent/Sono Shitsuji, Isōrō" (その執事、居候)
14. "His Butler, Unusually Talented/Sono Shitsuji, Inō" (その執事、異能)
15. "His Butler, Competes/Sono Shitsuji, Kyōsō" (その執事、競争)
16. "His Butler, Aloof/Sono Shitsuji, Kojō" (その執事、孤城)
17. "His Butler, Dedicates/Sono Shitsuji, Hōnō" (その執事、奉納)
18 "His Butler, Transfers/Sono Shitsuji, Tensō" (その執事、転送)
19 "His Butler, Jailed/Sono Shitsuji, Nyūrō" (その執事、入牢)
20 "His Butler, Escapes/Sono Shitsuji, Dassō" (その執事、脱走)
21 "His Butler, Hires/Sono Shitsuji, Koyō" (その執事、雇傭)
...