, or simply My Isekai Life, is a Japanese light novel series written by Shinkoshoto and illustrated by Huuka Kazabana. It began serialization online in October 2017 on the user-generated novel publishing website Shà Âsetsuka ni Narà Â. It was later acquired by SB Creative, who has released the series since May 2018 under their GA Novel label.
A manga adaptation with art by Ponjea has been serialized online since July 2018 via Square Enix's online manga magazine Manga Up!. The manga is licensed in North America by Square Enix. An anime television series adaptation by Revoroot aired from July to September 2022.
Yà «ji Sano, an overworked corporate employee, is unexpectedly summoned to a game-like fantasy world after unknowingly accepting the transfer from his computer. Believing the experience to be a dream, Yà «ji initially seeks only to return to his former life, but he soon learns he possesses the Monster Tamer class, considered the weakest profession. By befriending numerous slimes, he gains access to vast amounts of magical knowledge, allowing him to acquire a second class as a Sage and rapidly become one of the most powerful figures in the world. Despite his overwhelming abilities, Yà «ji attempts to live quietly, shaped by the trauma of his previous life, but growing threats and looming catastrophes force him to confront the responsibilities that come with his power.
The series is written by Shinkoshoto and illustrated by Huuka Kazabana.àOriginally serialized online on Shà Âsetsuka ni Narà  in October 2017, SB Creativeàpublished the first novel in print under their GA Novel label on May 15, 2018. As of September 2025, eighteen volumes have been released.
A manga adaptation, illustrated by Ponjea, started serialization in Square Enix's Manga Up! website on July 29, 2018. The first volume was released on September 13, 2018. As of February 2026, thirty-one volumes have been released.
On March 13, 2021, Square Enix announced that they will begin publish the manga in English in December 2021. They later released the first volume in January 2022.
An anime television series adaptation by Revoroot was announced during the "GA Fes 2021" event livestream on January 31, 2021. It is directed by Keisuke Kojima, with Kojima and Norihito Saitama serving as character designers. Kiyotaka Suzuki is serving as the assistant director, with scripts written by Naohiro Fukushima, and music composed by Gin from Busted Rose. The series aired from July 4 to September 12, 2022, on AT-X, Tokyo MX, BS NTV, and BS Fuji, with the first two episodes airing back-to-back. The opening theme song is "Mujikaku no Tensai" by Non Stop Rabbit, while the ending theme song is "Gohan da yo! Dadadadan!!" by Hikaru Tono, Mai Kanno, Haruna Mikawa, Erisa Kuon, Nichika à Âmori, and Miharu Hanai under the unit name Surachanzuâ³. Sentai Filmworks has licensed the series. Medialink also licensed the series in Asia-Pacific. At their Otakon panel in July 2022, Sentai Filmworks announced that the series will receive an English dub in August 2022.
The first promotional video was released on January 4, 2022. According to the director, Keisuke Kojima, all key frames in the video were illustrated with Clip Studio Ex.
An online MMORPG video game, developed by CTW Inc., was released on July 4, 2022.