KILL BLUE
Kill Ao · キルアオ
147K people have this on their list
Studio CUESource Manga
ActionComedy
7.33Combined
7.31MAL · 42K
7.40AniList · 12K
Synopsis
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!?
Characters
Juzo OgamiMain
Noren MitsuokaSupporting
Chisato ShiraishiSupporting
Tenma TendoSupporting
Eri WanibuchiSupporting
Kotatsu NekotaSupporting
Ryo ShiraishiSupporting
Mai OtohimeSupporting
Shin KohazameSupporting
Eiji RindoSupporting
Kazuma RindoSupporting
Reika TakadaSupportingSeasons in order
The manga
If you liked KILL BLUE
MARRIAGETOXINTV · 2026 · ★ 7.57
The Klutzy Class Monitor and the Girl with the Short SkirtTV · 2026 · ★ 7.61
Daemons of the Shadow RealmTV · 2026 · ★ 7.80
The Ramparts of IceTV · 2026 · ★ 8.26
BLACK TORCHTV · 2026 · ★ 6.73
Akane-banashiTV · 2026 · ★ 7.92
SNOWBALL EARTHTV · 2026 · ★ 6.89
MAOTV · 2026 · ★ 6.90Where to watch
Tags
GunsAge RegressionSchoolAssassinsShounenSchool ClubUrbanSurreal Comedy
Kill Ao 2nd SeasonTV
Kill BlueManga · 2023 · 115 chapters