B: The Beginning

Name: B: The Beginning
Director: Takahiro Kawakoshi
Genre: Crime, Drama, Sci-Fi & Fantasy, Animation, Action & Adventure
Released: 2018-03-02
Rating: 7.6
Cast: Asami Seto, Hiroaki Hirata, Yuki Kaji, Minoru Inaba, Toshiyuki Toyonaga

AnimeJapanese anime

Year: 2018
Country: US, JP
Language: ja
Genre: Crime, Drama, Sci-Fi & Fantasy, Animation, Action & Adventure, Mystery
Runtime: 26 min
Rating: 7.6/10
Status: Ended
Seasons: 2
Episodes: 18
Director: Takahiro Kawakoshi

Plot Overview

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.

Parents guide

No guide for this title yet. Its absence does not mean the title has no scenes unsuitable for children.

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Director

Takahiro Kawakoshi

Cast & Key Characters

Asami SetoLily Hoshina (voice)

Hiroaki HirataKeith Kazama Flick (voice)

Yuki KajiKokuu (voice)

Minoru InabaMeyer Boris (voice)

Toshiyuki ToyonagaBrandon Brian (voice)

Hiroki TouchiEric Toga (voice)

Toshiyuki MorikawaRoss Gilbert (voice)

Mitsuki SaigaIzanami (voice)

Gotou AtsushiRichard Jean Henri (voice)

Kazuya NakaiKamui (voice)NKNozomi KamedaKukuri (voice) / Takeru (voice)

Yu KitadaLaica (voice)

Writers

KIKatsunari Ishida

Production

Production I.G Netflix Production I.G Netflix

Season & Episode Breakdown

Season 1 12 episodes

In a world powered by advanced technology, crime and action sweep through the archipelagic nation of cremona. Chief among the major players is “Killer B” — a serial killer who has thrown the city into chaos. The stories of Koku, the protagonist, Keith, a legendary investigator of the Royal Investigation Service, and a mysterious criminal organization intertwine on the path to reach their objectives.

1 Episode 1 2018-03-02
2 Episode 2 2018-03-02
3 Episode 3 2018-03-02
4 Episode 4 2018-03-02
5 Episode 5 2018-03-02
6 Episode 6 2018-03-02
7 Episode 7 2018-03-02
8 Episode 8 2018-03-02
9 Episode 9 2018-03-02
10 Episode 10 2018-03-02
11 Episode 11 2018-03-02
12 Episode 12 2018-03-02

Season 2 Succession 6 episodes

When Keith is abducted and a friend from Koku’s past resurfaces, Killer B returns and everyone is pulled into a conspiracy involving the crown.

1 Episode 1 2021-03-18
2 Episode 2 2021-03-18
3 Episode 3 2021-03-18
4 Episode 4 2021-03-18
5 Episode 5 2021-03-18
6 Episode 6 2021-03-18

Critical Reception & Ratings

B: The Beginning is rated 7.6 out of 10 by viewers — 190 votes.

Trailer

B: The Beginning images

Frequently Asked Questions (FAQ)

What is B: The Beginning about?

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.

How many seasons and episodes does B: The Beginning have?

2 seasons and 18 episodes.

Is B: The Beginning still airing, and will there be another season?

This series has ended. It finished after 2 seasons and 18 episodes; no new season announced according to TMDB. According to TMDB; data last refreshed October 19, 2026.

Who stars in B: The Beginning?

Asami Seto, Hiroaki Hirata, Yuki Kaji, Minoru Inaba, Toshiyuki Toyonaga, Hiroki Touchi.

Who is the director of B: The Beginning?

Takahiro Kawakoshi.

When was B: The Beginning released?

2018.

Where can I watch B: The Beginning?

Available on Smart Souq's Smart subscriptions.