KILL BLUE anime poster

KILL BLUE

Kill Ao
Score ★ 7.40
Status Finished Airing
Year 2026
Season Spring
Episodes 12
Type TV
Studio CUE
Action Comedy

Juuzou Oogami is a legendary hitman who has never failed an assignment, no matter how impossible. One day, after wiping out a powerful organization, he is stung by a mysterious wasp and collapses. When he wakes up, the fearsome 39-year-old assassin has been transformed into a 13-year-old boy!



Before he can even process what happened, his boss delivers a new order: “In that body, infiltrate a middle school.”



What awaits him is an unexpected school life filled with colorful classmates, youthful chaos, and looming danger. Can Juuzou ever return to his original form? Or will the assassins closing in on him end his second life before it even begins!?


(Source: Official Site)

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Episodes (12)

12/12 episodes available

KILL BLUE Info

Japanese Title Kill Ao
Type TV
Episodes 12
Status Finished Airing
Premiered Spring 2026
Audio Japanese (English Sub), English Dub, French, Portuguese
Studios CUE
Genres Action,Comedy
Score 7.40 / 10

KILL BLUE Characters & Voice Actors

Juuzou Ougami from KILL BLUE

Juuzou Ougami

Main
Caitlyn Elizabeth
Japanese
Caitlyn Elizabeth, Japanese voice of Juuzou Ougami
Caitlyn Elizabeth
English
Caitlyn Elizabeth, English voice of Juuzou Ougami
Noren Mitsuoka from KILL BLUE

Noren Mitsuoka

Supporting
Kayli Mills
Japanese
Kayli Mills, Japanese voice of Noren Mitsuoka
Kayli Mills
English
Kayli Mills, English voice of Noren Mitsuoka
Kotatsu Nekota from KILL BLUE

Kotatsu Nekota

Supporting
Khoi Dao
Japanese
Khoi Dao, Japanese voice of Kotatsu Nekota
Khoi Dao
English
Khoi Dao, English voice of Kotatsu Nekota
Tenma Tendou from KILL BLUE

Tenma Tendou

Supporting
No Japanese voice listed
No English voice listed
Chisato Shiraishi from KILL BLUE

Chisato Shiraishi

Supporting
No Japanese voice listed
No English voice listed
Ryou Shiraishi from KILL BLUE

Ryou Shiraishi

Supporting
No Japanese voice listed
No English voice listed
Shin Kohazame from KILL BLUE

Shin Kohazame

Supporting
No Japanese voice listed
No English voice listed
Eri Wanibuchi from KILL BLUE

Eri Wanibuchi

Supporting
Dawn Bennett
Japanese
Dawn Bennett, Japanese voice of Eri Wanibuchi
Dawn Bennett
English
Dawn Bennett, English voice of Eri Wanibuchi
Eiji Rindou from KILL BLUE

Eiji Rindou

Supporting
No Japanese voice listed
No English voice listed
Kazuma Rindou from KILL BLUE

Kazuma Rindou

Supporting
No Japanese voice listed
No English voice listed
Reika Takada from KILL BLUE

Reika Takada

Supporting
No Japanese voice listed
No English voice listed
Tomomi Baba from KILL BLUE

Tomomi Baba

Supporting
Kristen McGuire
Japanese
Kristen McGuire, Japanese voice of Tomomi Baba
Kristen McGuire
English
Kristen McGuire, English voice of Tomomi Baba
Boss from KILL BLUE

Boss

Supporting
No Japanese voice listed
No English voice listed
Panda Mask from KILL BLUE

Panda Mask

Supporting
No Japanese voice listed
No English voice listed
Mai Otohime from KILL BLUE

Mai Otohime

Supporting
No Japanese voice listed
No English voice listed
Kouchou from KILL BLUE

Kouchou

Background
No Japanese voice listed
No English voice listed
Tannin from KILL BLUE

Tannin

Background
No Japanese voice listed
No English voice listed
Rio Yokoyama from KILL BLUE

Rio Yokoyama

Background
No Japanese voice listed
No English voice listed
Souta Kurosawa from KILL BLUE

Souta Kurosawa

Background
No Japanese voice listed
No English voice listed
Saki Sudou from KILL BLUE

Saki Sudou

Background
No Japanese voice listed
No English voice listed
Shin Katou from KILL BLUE

Shin Katou

Background
No Japanese voice listed
No English voice listed
Haruto Yoshikawa from KILL BLUE

Haruto Yoshikawa

Background
No Japanese voice listed
No English voice listed
Taichi Hashiba from KILL BLUE

Taichi Hashiba

Background
No Japanese voice listed
No English voice listed
Yuuma Chida from KILL BLUE

Yuuma Chida

Background
No Japanese voice listed
No English voice listed
Kari Kiyohara from KILL BLUE

Kari Kiyohara

Background
No Japanese voice listed
No English voice listed
Character and cast data: AniList.

Watch KILL BLUE Online

KILL BLUE (Kill Ao) is an Action, Comedy anime TV series animated by CUE, first released in Spring 2026. The series runs 12 episodes.

Stream KILL BLUE online free in HD on Anime4Soul. 12 episodes are available to watch now with English subtitles, and the player's SUB / DUB switch plays the English dub whenever one has been released. French and Portuguese versions are available from the language menu.

Main characters include Juuzou Ougami (voiced by Caitlyn Elizabeth).

KILL BLUE FAQ

Where can I watch KILL BLUE online?

You can watch all 12 available episodes of KILL BLUE online free on Anime4Soul, streaming in HD with English subtitles. The player also has an English Dub switch and French and Portuguese audio.

How many episodes does KILL BLUE have?

KILL BLUE has 12 episodes.

When did KILL BLUE come out?

KILL BLUE premiered in Spring 2026. Status: Finished Airing.

Which studio animated KILL BLUE?

KILL BLUE was animated by CUE.

Who voices Juuzou Ougami in KILL BLUE?

Juuzou Ougami is voiced by Caitlyn Elizabeth in Japanese and by Caitlyn Elizabeth in the English dub.

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