Teenage boy Lin Fei was unable to practice martial arts due to a defect in his meridians. After witnessing his master and his best friend die in the battle in the Black Abyss, he began to practice an ancient art of artifact refinement. He vowed to avenge them and hunt down the leader of the Black Abyss, even if it cost him his own life. A mysterious power revived him in a new era, and Lin Fei was determined to rebuild his sect and make it flourish.

Young Ciel Phantomhive is known as "the Queen's Guard Dog," taking care of the many unsettling events that occur in Victorian England for Her Majesty. Aided by Sebastian Michaelis, his loyal butler with seemingly inhuman abilities, Ciel uses whatever means necessary to get the job done. But is there more to this black-clad butler than meets the eye? In Ciel's past lies a secret tragedy that enveloped him in perennial darkness—during one of his bleakest moments, he formed a contract with Sebastian, a demon, bargaining his soul in exchange for vengeance upon those who wronged him. Today, not only is Sebastian one hell of a butler, but he is also the perfect servant to carry out his master's orders—all the while anticipating the delicious meal he will eventually make of Ciel's soul. As the two work to unravel the mystery behind Ciel's chain of misfortunes, a bond forms between them that neither heaven nor hell can tear apart. [Written by MAL Rewrite]

The 7th Division's Private Hyakunosuke Ogata and former Shinsengumi Vice Commander Toshizou Hijikata find themselves on opposite sides of a gang war in Barato after hearing rumors of the Hidoro gang possessing an escaped prisoner's tattooed skin. With a lead to the hidden Ainu gold close at hand, the two gladly take up arms but a betrayal will force both sides to think twice before carelessly jumping the gun.

The story revolves around Nikolai, apparently a part-cyborg; Galory, a young boy who apparently is part human/part Crest person, and Althea, who is entirely a Crest person. Seems the Earth and the Crest people were at war for 300 years so there's still a lot of bad feelings present. The ship Galory, Nikolai and others are on is ambushed and almost everyone killed by some kind of automated attack ships from a huge Crest ship that has been taken over by an automaton. Galory, Nikolai and Althea go to the ship to try and see if there are any survivors of an advanced party from Galory's ship that can be saved, and to see if they can destroy the Type 38 automaton in the ship's core.