KILL BLUE
Kill Ao / Kill Blue / คิลบลู / Убивая юностьSummary
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)
Where to watch
Platforms
Official and social
Other links
Availability may vary by country.
Episodes
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Details
- Format
- TV series
- Number of Episodes
- 12
- Episode length
- 24 min
- Estimated total length
- ≈ 4 h 48 min (12 × 24 min)
- Season
- Spring 2026
- Start date
- April 11, 2026
- End date
- June 27, 2026
- Status
- Finished
- Source
- Manga
- Country of origin
- Japan
- Studios
- CUE
- Romaji title
- Kill Ao
- English title
- KILL BLUE
- Native title
- キルアオ
- Other titles
- Kill Blue · คิลบลู · Убивая юность
Relations
Suggested watch order
Based on known prequels and sequels.
-
KILL BLUEThis page
-
Kill Ao 2nd Season
Characters 25
Main characters
- Juuzou Ougami大狼十三Main
Profile
- Age
- 39
- Gender
- Male
Juuzou is a highly skilled assassin who has made a profession out of taking lives, having started at a young age and continuing to do so into adulthood.
Show the other characters (24)
- Eri Wanibuchi鰐淵瑛里Supporting
Profile
- Gender
- Female
She's Juuzou Ougami's ex-wife and the head of the Science Department.
- Shin Kohazame古波鮫シンSupporting
Profile
- Gender
- Male
He is an assassin associated with Yugang, a Chinese organization.
- Chisato Shiraishi白石千里Supporting
Profile
- Gender
- Female
She is Ryo Shiraishi's older sister and the leader of the Home Economics Club, which Juzo is a member of.
- Noren Mitsuoka蜜岡ノレンSupporting
Profile
- Age
- 13
- Gender
- Female
Noren is a student and part of Mitsuoka Pharmaceuticals.
- Tenma Tendou天童天馬Supporting
Profile
- Gender
- Male
He's a middle school student who stands at least six feet tall and is known as a standout on his school's baseball team. He's often called an "Unicorn" of the team because of his remarkable abilities. Notably, he's a versatile athlete who excels in Junior League Baseball, Youth Soccer, and Youth Basketball. He's the star player on all three teams, and every…
- Kotatsu Nekota猫田コタツSupporting
Profile
- Gender
- Male
Kotatsu is a subordinate of Juuzou Ougami.
- Eiji Rindou竜胆エイジSupporting
Profile
- Gender
- Male
Eiji is a man a few words, only making strange open mouth sounds. He is a student at the same high school as Juzo.
- Kazuma Rindou竜胆カズマSupporting
Profile
- Age
- 15
- Gender
- Male
He is a student at the same high school as Juzo. Kazuma is manipulative and sneaky, unafraid to use underhanded tactics to complete his goal. He cares for his younger brother.
- Reika Takada高田玲花Supporting
Profile
- Gender
- Female
- BossボスSupporting
Profile
- Gender
- Male
- Panda MaskパンダマスクSupporting
Profile
- Gender
- Male
- Ryou Shiraishi白石遼Supporting
Profile
- Gender
- Male
- Tomomi Baba馬場友美Supporting
Profile
- Gender
- Female
- Mai Otohime乙姫舞Supporting
Profile
- Gender
- Female
She's a middle school student who has a double personality, while her normal version is more shy and has a hard time speaking, her other version is more extroverted and more physically attractive. She is known as "Unicorn" due to her incredible physical abilities and for specializing in marine sports.
- Taichi Hashiba羽柴太一Background
Profile
- Gender
- Male
- Shin Katou加藤新Background
Profile
- Gender
- Male
- Kouchou校長Background
Profile
- Gender
- Male
- Rio Yokoyama横山莉緒Background
Profile
- Gender
- Female
- Souta Kurosawa黒沢颯太Background
Profile
- Gender
- Male
- Yuuma Chida千田悠真Background
Profile
- Gender
- Male
- Kari Kiyohara清原歌梨Background
Profile
- Gender
- Female
- Tannin担任Background
Profile
- Gender
- Male
- Saki Sudou須藤咲希Background
Profile
- Gender
- Female
- Haruto Yoshikawa吉川陽人Background
Profile
- Gender
- Male
Staff and studios
Studios
Key staff
- Yasunori IdeDirector
- Tadatoshi FujimakiOriginal creator
- Hiro KaburagiSeries composition
- Miho DaidoujiCharacter design
- Gakuto GonbeiArt director
- Shouji HataSound director
Show the full staff (19)
- Daisuke ImaiEditing
- Shinya MatsuiDirector of Photography
- Yoshinori HorikawaColor Design
- Hiro KaburagiSupervisor
- Hirotaka MarufujiAnimation Director (ep 1)
- Shougo TeramotoStoryboard (ED)
- Shougo TeramotoDirector of Photography (ED)
- Miho DaidoujiChief Animation Director (ED)
- Shougo TeramotoColor Design (ED)
- Shougo TeramotoKey Animation (ED)
- Manamu AmasakiAnimation Director (ED)
- Yoshiyuki OotaFinishing (OP)
- Chiaki NumataFinishing (OP)
- Tatsuo UenoFinishing (OP)
- Michael TanakaCG Coordinator (OP)
- Fumiko TanakaFinishing Check (OP)
- Fumiko TanakaColor Design (OP)
- Ryuu NakayamaDirector (OP)
- Fumiko TanakaColor Coordination (OP)