B: The Beginning is an original anime series produced by Production I.G and directed by Kazuto Nakazawa and Yoshiki Yamakawa. The series premiered on March 2, 2018 worldwide on Netflix. In a world powered by advanced technology, crime and action unfold in the archipelagic nation of Cremona. Koku, the protagonist. Keith, the legendary investigator of the RIS, the Royal Investigation Service. A mysterious criminal organization. A wide variety of characters race through the fortified city as it is beset by the serial killer, Killer B, and a chain of crimes.