A legendary assassin, age 39. Starting over from middle school—.
**Juzo Ogami** is a legendary assassin who accomplishes any difficult job. One day, after wiping out a certain organization, Juzo is stung by a mysterious bee and loses consciousness.
When he wakes up, Juzo has gone from a 39-year-old adult to the form of a 13-year-old child!?
The strongest assassin redoes a 'second youth' as a middle-schooler — a thrilling action comedy where the assassin trade and school life intersect. Airing from April 2026.
📝 魅力・見どころ・特徴 ネタバレ控えめ
01A thrilling premise: a legendary assassin becomes 13
The thrilling premise — a 39-year-old legendary assassin rejuvenated to 13 — is the biggest appeal. The gap between the strongest skill inside and the child's appearance is fun.
02The gap of assassin × school life
The gap where the skilled assassin trade and middle-school life intersect is the appeal. The fun of a double life where the dangerous trade and youth coexist is enjoyable.
03A popular Jump work by Tadatoshi Fujimaki
The source is the popular Jump work by Tadatoshi Fujimaki of 'Kuroko's Basketball.' Expectations rise for the snappy developments and charming characters.
04The exhilaration of a 'second youth'
The exhilaration of Juzo, with an adult's inner self, redoing his youth is the appeal. A unique coming-of-age tale mixing adult composure and a child's freshness is fun.
05Powerful action
Sharp action unique to the strongest assassin is a highlight. You can enjoy thrilling battles where he shows overwhelming skill even in a child's body.
06Banter by a skilled cast
Yuko Sanpei as the 13-year-old Juzo, Shunsuke Takeuchi as the adult Juzo and more — skilled performers gather, skillfully playing the gap-filled characters.
07Theme songs by aespa and RIIZE
OP 'ATTITUDE' by aespa and ED 'KILL SHOT' by RIIZE. Lavish artists' theme songs liven up the thrilling work.
08Drawn in from the start, even unread
The strong, fun hook — a legendary assassin rejuvenated to a middle-schooler — is the appeal. Even unread, you'll be drawn into its thrilling world from episode 1.
💡 注目ポイント・展開予想 軽めネタバレ
The early arc will likely follow the legendary assassin Juzo, rejuvenated to 13 by a mysterious bee, living school life as a middle-schooler while continuing the assassin trade.
Juzo, hiding his adult inner self and blending in as a middle-schooler, should be drawn into various uproars in his double life.
While seeking a way to return to normal, how he balances the assassin trade and a 'second youth' — the course of a thrilling action comedy is expected to be a major highlight.
🧾 これまでのあらすじ ネタバレあり
Here is the premise: a legendary assassin, age 39. Starting over from middle school—.
Juzo Ogami is a legendary assassin who accomplishes any difficult job. One day, after wiping out a certain organization, Juzo is stung by a mysterious bee and loses consciousness.
When he wakes up, Juzo has gone from a 39-year-old adult to a 13-year-old child!? — the anime is expected to begin as this thrilling action comedy where the strongest assassin redoes middle school.
✅ 観る・注目するおすすめポイント
Strongly recommended for fans of thrilling action comedies and gap-filled heroes.
You'll be excited by the one-of-a-kind premise of the strongest assassin redoing middle school. Do enjoy the pacing and charm unique to a Tadatoshi Fujimaki work.
👀 トリビア・驚きの小ネタ集
・Tadatoshi Fujimaki is also known for 'Kuroko's Basketball.'
・Protagonist Juzo is a legendary assassin rejuvenated from 39 to 13 by a mysterious bee.
・The OP is 'ATTITUDE' by aespa, the ED 'KILL SHOT' by RIIZE, and the animation by CUE.
💫 未回収の伏線 ネタバレあり
The thrilling action comedy hides intriguing mysteries:
● The identity of the 'mysterious bee' that turned Juzo into a 13-year-old, and how to return to normal.
● The circumstances of the underworld trade the legendary assassin Juzo bears.
● How long Juzo's double life, blending in as a middle-schooler, lasts.
● Organizations targeting Juzo and the existence of new foes.
The further the story goes, the more the core of Juzo's rejuvenation and assassin trade comes into view.
💌 次シーズンで絶対バズる名セリフ予想
● "Inside I'm a 39-year-old assassin. Don't underestimate me."
— Juzo, strongest even in a child's body.
● "To think I'd redo my youth all over again."
— Juzo, bewildered by a second youth.
*Predictions based on the work's direction and source.