Kurokami The Animation is based on the manga by the same name from Korean creative team consisting of writer Young Lim Dall and artist Park Sung Woo (the manga has been released in the U.S. by Yen Press under the title Black God). The anime is directed by Tsuneo Kobayashi (director of The Twelve Kingdoms) with series story composition by Reiko Yoshida, and character designs and animation direction by Hiroyuki Nishimura (Fatal Fury, Full Metal Alchemist the movies).
The story focuses on Keita, a high school student living on his own, lost his mother in his youth. One night at a ramen stand, he meets a mysterious girl named Kuro. Keita is told the story of how if a person runs into another that looks just like them, they would die. From Kuro, Keita learns of the Doppeliner System and the Coexistence Equilibrium and how his life would never be that same afterward…