Currently available on 4 streaming services.

Streaming, rent, or buy B: The Beginning – Season 1:

Currently you are able to watch "B: The Beginning - Season 1" streaming on Netflix, Netflix basic with Ads or buy it as download on Fandango At Home, Apple TV.

Cast

Asami Seto
Lily Hoshina (voice)
Hiroaki Hirata
Keith Kazama Flick (voice)
Yuki Kaji
Kokuu (voice)