Yana Toboso

An orphaned aristocrat summons a demonic butler to aid her, at the price of her soul. (imdb)

In Victorian-era Europe, a young boy loses everything he once held near and dear to a vicious plot. In his moment of death, he strikes a deal with a demon: his soul, in exchange for revenge. Ciel Phantomhive is now the head of the Phantomhive corporation, handling all business affairs as well as the underground work for the Queen of England. His new partner is a demon butler, Sebastian Michaelis, whose prowess as a butler is only surpassed by his strength as a demon. (myanimelist.net)

In late-nineteenth century England, one year and three months after the dramatic conclusion of the original series, Kuroshitsuji II introduces a new butler and young master. The sadistic yet cheerful Alois Trancy has faced some harsh times. He was kidnapped as a baby, and was forced to work in a village as a slave. Gradually, he lost his parents, his best friend, and everyone he knew. (myanimelist.net)

In Victorian London, the breathtaking performances of the Noah's Ark Circus have captured the attention of people all across the city. But the spell of magic and wonderment woven under the big top is not without consequences. Children have suddenly begun to vanish, and some suspect these mysterious performers are responsible. (myanimelist.net)

Whispers turn into screaming headlines in Earl Ciel Phantomhive's morning paper as word of the dead being resurrected takes society by storm. But when the unsavoury details of the business reach Ciel's ear, he and his superlative butler, Sebastian, book themselves on a luxury liner to look into these alleged miracles and the "Aurora Society" conducting them. (imdb)

At the Queen's behest, young master Ciel Phantomhive hosts a lavish banquet to be attended by the crème-de-la-crème of London's elite. However, what begins as a fabulous affair quickly takes a dark turn when guests begin turning up dead. Should Sebastian and Ciel wish to once more see the light of day, they must join forces with their guests, including the legendary author Sir Arthur Conan Doyle, to unravel the mystery and apprehend the murderer before it's too late. Source: Funimation