Introduction: The Roots of the Isekai Genre
The term “isekai” has become synonymous with a genre of anime and manga where characters are transported from their ordinary world to a fantastical one. While many attribute the genre’s popularity to modern works like “Sword Art Online,” the roots of isekai go much deeper. In this article, we’ll explore the first isekai manga, its impact on the genre, and how it set the stage for future works.

The Misconception: Sword Art Online and Modern Isekai
The SAO Phenomenon
“Sword Art Online” is often considered the definitive isekai anime of the 2010s. Its success has made it synonymous with the genre, but it’s far from being its progenitor.

The Reality: Isekai’s Long History
Isekai as a genre has been around longer than some fans realize. It has evolved over time, incorporating various elements like fantasy, adventure, and even psychological concepts.
The Forgotten Pioneers
Before the modern era of isekai, there were several works that laid the foundation for the genre. These include anime like “Aura Battler Dunbine” (1988) and “Paul’s Miraculous Adventure” (1977).
The First Isekai Manga: A Journey Back in Time
The Earliest Examples
While it’s challenging to pinpoint the exact first isekai manga, one of the earliest examples is “Paul’s Miraculous Adventure,” which dates back to 1977. This work is considered one of the pioneers in transporting a hero to another world.
The Plot and Characters
“Paul’s Miraculous Adventure” follows the story of Paul, who is transported to a fantastical world. The manga explores his adventures and challenges as he navigates this new realm.
The Impact on the Genre
This early work set the stage for future isekai stories, introducing elements like magic, adventure, and the concept of a hero transported to another world. It served as an inspiration for many works that followed.
The Legacy: How the First Isekai Manga Shaped the Genre
The Elements of Fantasy and Adventure
The first isekai manga introduced the elements of fantasy and adventure that have become staples in the genre. From sword fights to magical realms, these elements are now almost synonymous with isekai.
The Hero’s Journey
The concept of a hero’s journey, where the protagonist is transported and undergoes significant growth, was also popularized by the first isekai manga. This has become a recurring theme in many subsequent works.
The Evolution Over Time
Over the years, the genre has evolved to include various sub-genres and themes, from reincarnation isekai to game-like settings. The first isekai manga played a crucial role in this evolution, providing the basic framework that many authors have built upon.
Conclusion: The Everlasting Impact of the First Isekai Manga
The first isekai manga may not be as well-known as modern giants like “Sword Art Online,” but its impact on the genre is undeniable. It introduced key elements and themes that have been adapted and expanded upon in countless works, making it a cornerstone in the history of isekai.