KILL BLUE

Overview

KILL BLUE (キルアオ) is a highly acclaimed TV. Produced by the renowned CUE, this adaptation perfectly blends the Action, Comedy genres.

With a deeply passionate fanbase, it has secured a global AniList score of 72% and attracted over 160 favorites worldwide. It currently holds a massive popularity ranking of #13688 globally, making it a must-read/watch for enthusiasts of the medium.

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!?

(Source: Official Site)

Official Rankings

• #41
  highest rated 2026
• #78
  most popular 2026
• #21
  highest rated SPRING 2026
• #28
  most popular SPRING 2026