Under Ninja
What would you like to edit?

Under Ninja

Alternative Titles

Japanese: アンダーニンジャ
English: Under Ninja
More titles


Type: Manga
Volumes: Unknown
Chapters: Unknown
Status: Publishing
Published: Jul 23, 2018 to ?
Genres: Action Action, Comedy Comedy
Demographic: Seinen Seinen
Authors: Hanazawa, Kengo (Story & Art)


Score: 7.141 (scored by 894894 users)
1 indicates a weighted score.
Ranked: #68072
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #3342
Members: 6,189
Favorites: 39

Available At


Ranked #6807Popularity #3342Members 6,189
Add to My List
Volumes: /?
Chapters: /?


After World War II, Allied Command in Japan developed a new agency to help manage terrorism and violence within the Pacific region. The agency was staffed with ninja and they were initially tasked to handle domestic affairs. Eventually that program grew to its current form, managing 20,000 ninja across a range of domestic and international affairs. One of those ninja happens to be Kudo. The seventeen-year-old high school loser is now poised to be the next line of defense against a potential surge in foreign assassins invading Tokyo.

(Source: Denpa)


Under Ninja has been published in English by Denpa since January 10, 2023.

Related Manga


Kumogakure, Kurou
Russian Foreigner
Kawado, Ai
Hachiya, Shion
Junna's Father
Yoshida, Akikazu
Yamada, Mitsuki


Sep 8, 2020
Preliminary (40/? eps)
(this review wrote by Japanese who don't speak English)

My first MAL review.

Almost Japanese think best Ninja comic is Naruto.
I think, Naruto is very good until the Ninja test(Chuunin Shiken).

these days, Japanese Otaku thinks best ninja fiction is Ninja Slayer.
novel is great, comic is not bad, but, the anime is shit.

Dec 9, 2023
Preliminary (105/? eps)
I came into this manga expecting crazy and my expectations still got blown away.

Under Ninja shows a very comedic wacky world that can instantly go from 0-100. The series provides a vibrant cast of characters which it isn't afraid to cut down on at times providing real tension for every confrontation. You get to see multiple gadgets be used for dumb combat ranging from invisible clothes that only make your torso invisible all the way to talking motorcycles and special cardboard boxes.

The interactions with Kuro and other characters are funny but also sometimes drop hints of worldbuilding which you can't always be sure of their ...

Interest Stacks

33 Entries · 6 Restacks
46 Entries · 128 Restacks
by Ssnowyy
45 Entries · 69 Restacks


Recent News

Manga 'Under Ninja' Gets TV Anime Adaptation

Manga 'Under Ninja' Gets TV Anime Adaptation

This year's 41st issue of Weekly Young Magazine announced a television anime adaptation of Kengo Hanazawa's Under Ninja manga on Monday. The sixth volume a...read more

Recent Forum Discussion

Poll: Under Ninja Chapter 84 Discussion
Dickegrobe - Aug 4, 2023
1 repliesby Spo0ky-chan »»
Nov 29, 2023 11:59 AM
Poll: Under Ninja Chapter 107 Discussion
SteelingMax - Nov 13, 2023
0 repliesby SteelingMax »»
Nov 13, 2023 8:10 AM
Poll: Your opinion of the series - Under Ninja
kuroneko99 - Aug 31, 2023
3 repliesby SteelingMax »»
Nov 7, 2023 11:07 PM
Poll: Under Ninja Chapter 106 Discussion
Rexnihilo - Oct 30, 2023
0 repliesby Rexnihilo »»
Oct 30, 2023 3:43 PM
Poll: Under Ninja Chapter 105 Discussion
Rexnihilo - Oct 16, 2023
0 repliesby Rexnihilo »»
Oct 16, 2023 7:21 PM