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TV anime20231 season12 episodesOriginal: mangaKengo Hanazawa

Over 3 million copies

Thousands of ninjas live in secret across Japan. One underachieving ninja spends his days doing nothing — until he receives a special mission.

Choose the anime you finished to find where to continue in the UNDER NINJA manga and which book edition matches that point.

Book language
EditionDenpa Books
UNDER NINJA Season 1 anime poster

Season 1

Medium confidence

12 episodesOct 2023 – Dec 2023

Anime ends at
Ep 12Original: Vol. 8

This volume overlaps the final battles shown in the anime. The English edition is published through Vol. 6; it has not reached Vol. 8 of the original work yet. You can continue in another language.

Other languages:

Start over · Under Ninja, Volume 1

Denpa BooksEnglishPaperback

This edition has not reached the continuation point yet. You can read the original from its first volume.

Where it stops:

Original · Manga

Under Ninja

アンダーニンジャ

Kengo HanazawaKodanshaOngoing18 volumes so far

Copies in print

Over 3 million copies

Kodansha · August 2026

All volumes

Before you read

The original manga is still ongoing; Kodansha lists Vol. 18 as the latest (as of November 2026).

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