is a Japanese
light novel series written by
Ryohgo Narita and illustrated by Katsumi Enami. The series, often told from multiple
points of view, is mostly set within a fictional United States during various time periods, most notably the
Prohibition era. It focuses on various people, including
alchemists, thieves, thugs,
Mafiosi and
Camorristi, who are unconnected to one another. After an
immortality elixir is recreated in 1930
Manhattan, the characters begin to cross paths, setting off events that spiral further and further out of control.