Baccano!

Two assassins who never miss their mark must juggle fatherhood with their demanding job when they suddenly find themselves raising a four-year-old girl.

In the late 19th century, the British Empire nobility reigns while its working class suffers at their hands. Sympathetic to their plight, William James Moriarty wants to topple it all. Frustrated by the systemic inequity, Moriarty strategizes to fix the entire nation. Not even consulting detective Sherlock Holmes can stand in his way. It’s time for crime to revolutionize the world!

Killing Goods are murder weapons handed down from generation to generation within the families of their owners. They are cursed to compel their current owners to repeat the original murders. The curse also makes them indestructible. Kiri Haimura is the current owner of a pair of shears that can cut seemingly anything, although the only thing he wants to cut is hair. One day he meets Iwai Mushanokoji, a girl of whom he has only heard rumors that her hair cannot be cut, a girl who can grant one wish, any wish, but only to the person who murders her. Every morning he cuts her hair, which grows back every night; and every day he helps protect her from people who know about her curse and who want a wish granted.

Six months ago, Lord Hugh Disward (Huey), lost his eccentric grandfather, Wes. To inherit Wes's estate, Huey must take guardianship over the 'Mystic Archives of Dantalian' that contains forbidden knowledge and a mysterious girl called Dalian. Dalian and Huey begin an unlikely partnership as they solve mysteries caused by Phantom Books.