Netflix announced the series on February 25, 2016 stating that the series would air 12 episodes and debut in 190 countries around the world. It was originally titled Perfect Bones.[3] The title was later revealed to be B: The Beginning.[4] Kazuto Nakazawa directed the series and designed the characters while also serving as key animation supervisor, Yoshiki Yamakawa also directed the series alongside Nakazawa, Katsuya Ishida wrote the scripts, and Yoshihiro Ike composed the music.[1] The theme song "The Perfect World" was performed by Marty Friedman in collaboration with MAN WITH A MISSION's vocalist Jean-Ken Johnny, bass guitarist KenKen, and Kōji Fujimoto. The series premiered on March 2, 2018.[5]