B: The Beginning Reality TV Guide: Format, Cast and Facts
A TMDB-backed guide to B: The Beginning, including cast, release facts, genres and watch-provider notes.

B: The Beginning (2018) — an evergreen reference for this TV series: the essentials, the cast, where to watch and what to watch next.
Where to watch
TMDB's U.S. watch-provider data lists Netflix, Netflix Standard with Ads. Availability changes by country and date, so check your streaming app before watching.
Cast
Asami Seto as Lily Hoshina (voice); Hiroaki Hirata as Keith Kazama Flick (voice); Yuki Kaji as Kokuu (voice)
About B: The Beginning
Genius investigator Keith Flick rejoins the royal police force just as serial killer "B" emerges. Mysterious youth Koku may be an ally, or a target.
More like B: The Beginning
- ID: INVADED
- Bungo Stray Dogs
- Paranoia Agent
- Kemono Jihen
- Dimension W
- Ikebukuro West Gate Park
- Hell Girl
- Boogiepop Phantom
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch B: The Beginning?
TMDB's U.S. watch-provider data lists Netflix, Netflix Standard with Ads. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of B: The Beginning?
Asami Seto as Lily Hoshina (voice); Hiroaki Hirata as Keith Kazama Flick (voice); Yuki Kaji as Kokuu (voice)
Is this B: The Beginning guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



