Manga Index Version 14

This article has been translated from Japanese to English using generative AI; however, all the manga reviewed here were personally read by the author, and the reviews are entirely original.

Karate Survivor in Another World manga cover art featuring main characters and key visual elements

Karate Survivor in Another World

Author: Story by Yajin, Art by Takahito Kobayashi
Publisher: KADOKAWA
Magazine: Monthly Comic Dengeki Daioh
Volumes: 10
Release Date: 2020-01-27
Age Rating: 12+
Copyright: All Rights Reserved

Synopsis

Karate Survivor in Another World follows Hitoshi Nozaki, a 34-year-old karateka nicknamed “Yajin” (“wild man”) for his rugged appearance and unusual name. After sacrificing his life to save some students, he dies in an accident—only to be whimsically reincarnated by a god into another world, stark naked. In this new world, he is given no magic, no special powers, no “cheat” abilities—only his karate skills, modern survival knowledge, and his own body. Fighting for his life against goblins and hobgoblins, he gradually learns how to secure food, shelter, and the means to survive. As he joins adventurer parties, clashes with villagers and nobles, and faces colossal monsters, Nozaki steadily earns a reputation as “The Wild Man.” Each battle, each decision to help his comrades, reinforces his identity as a lone yet dependable fighter. Along the way, he forges new bonds, endures solitude, and continues his journey in search of a true place to belong. Blending gritty realism with the tropes of isekai, Karate Survivor in Another World is a survival-driven reincarnation fantasy that highlights resilience, raw combat, and the struggle for meaning in a hostile new world.

Rating Metrics

StoryCharactersArtworkWorld BuildingThemesPacing
Story
3.7
Characters
3.7
Artwork
3.7
World Building
4.0
Themes
3.9
Pacing
3.8

Editorial Reviews

An Isekai Manga Without Cheat Powers

The manga I’ll introduce today is the relatively new series Karate Survivor in Another World. The story follows Yajin, a skilled karate practitioner who dies saving a student from being hit by a car. After his death, he is reincarnated into another world, where his new life and various adventures begin. Most isekai manga feature protagonists who are granted cheat powers upon reincarnation, allowing them to dominate their new world. What makes Karate Survivor in Another World unique is that Yajin receives no special powers at all—his isekai life starts from zero. Without cheat abilities, Yajin relies on strategy, wits, and raw karate skills to defeat monsters. Even as the story progresses, he doesn’t become overwhelmingly strong, and his hard-fought battles keep readers on the edge of their seats. Because of this, reading Karate Survivor in Another World often feels like playing a classic RPG video game—slow progression, real danger, and constant tension. For readers who love overpowered protagonists, the slower pace and gritty tone may feel frustrating. There are even brutal scenes where Yajin kills enemies with his bare hands, so don’t expect the usual flashy power-fantasy thrills. On the other hand, for those tired of the recent flood of cheat-ability isekai stories, Karate Survivor in Another World offers a refreshing and grounded alternative.

September 10, 2025

Ready to Read?

Start reading now and immerse yourself in this incredible story. Available in digital and print formats to suit your preferences.

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