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| Multi-Mind Mayhem: Isekai Tensei Soudouki | |
First light novel volume cover | |
| 異世界転生騒動記 (Isekai Tensei Sōdōki) | |
|---|---|
| Genre | Isekai |
| Novel series | |
| Written by | Ryousen Takami |
| Published by |
|
| Original run | 2013 – present |
| Light novel | |
| Written by | Ryousen Takami |
| Illustrated by | Ririnra |
| Published by | AlphaPolis |
| Original run | March 4, 2014 – March 5, 2019 |
| Volumes | 14 |
| Manga | |
| Written by | Ryousen Takami |
| Illustrated by | Honoji |
| Published by | AlphaPolis |
| English publisher |
|
| Original run | May 4, 2015 – present |
| Volumes | 14 |
| Anime television series | |
| Directed by | Hiroaki Sakurai |
| Written by | Keiichirō Ōchi |
| Music by | Ryoshi Takagi |
| Studio | Studio Deen |
| Original run | January 2027 – scheduled |
Multi-Mind Mayhem: Isekai Tensei Soudouki (Japanese: 異世界転生騒動記, Hepburn: Isekai Tensei Sōdōki) is a Japanese light novel series written by Ryousen Takami and illustrated by Ririnra. It was originally serialized on the online publication platform Shōsetsuka ni Narō in 2013; after winning an award from the publishing company AlphaPolis, it moved serialization to that company's website. Fourteen volumes were published between March 2014 and March 2019. A manga adaptation illustrated by Honoji began serialization on AlphaPolis' website in May 2015, and has been compiled into 14 volumes as of March 2026. An anime television series adaptation produced by Studio Deen is set to premiere in January 2027.
Bard Cornelius, a young man from a noble family in the Kingdom of Mauricia, is blessed with great skills. This is because he actually has three souls in him: his own, the warlord Oka Sanai Sadatoshi, and Masaharu Oka, his identity in a previous life. Aimed with the skills and knowledge of those inside him, he excels in aspects such as business and military tactics.
Ryousen Takami originally posted the series to the online publication platform Shōsetsuka ni Narō in 2013. It was nominated for AlphaPolis's 6th Fantasy Novel Prize, where it ultimately won the Grand Prize. The web novel was deleted from the site in August 2016, with serialization moving to the AlphaPolis website.
Following the series' win at AlphaPolis's 6th Fantasy Novel Prize, they began publishing it as a light novel with illustrations by Ririnra. Fourteen volumes were published between March 4, 2014, and March 5, 2019.
| No. | Release date | ISBN |
|---|---|---|
| 1 | March 4, 2014 | 978-4-434-18967-8 |
| 2 | July 2, 2014 | 978-4-434-19434-4 |
| 3 | November 7, 2014 | 978-4-434-19893-9 |
| 4 | March 23, 2015 | 978-4-434-20340-4 |
| 5 | July 4, 2015 | 978-4-434-20755-6 |
| 6 | November 2, 2015 | 978-4-434-21241-3 |
| 7 | March 1, 2016 | 978-4-434-21667-1 |
| 8 | August 2, 2016 | 978-4-434-22287-0 |
| 9 | January 3, 2017 | 978-4-434-22803-2 |
| 10 | June 1, 2017 | 978-4-434-23331-9 |
| 11 | November 3, 2017 | 978-4-434-23923-6 |
| 12 | April 1, 2018 | 978-4-434-24461-2 |
| 13 | September 2, 2018 | 978-4-434-25053-8 |
| 14 | March 5, 2019 | 978-4-434-25748-3 |
A manga adaptation illustrated by Honoji began serialization on AlphaPolis' website on May 4, 2015. It has been compiled into 14 tankōbon volumes as of March 2026. The series is released in English on AlphaPolis's Alpha Manga website, and the volumes are published in English by One Peace Books.
| No. | Original release date | Original ISBN | North American release date | North American ISBN |
|---|---|---|---|---|
| 1 | February 29, 2016 | 978-4-434-21566-7 | September 14, 2021 | 978-1-64273-140-8 |
| 2 | November 30, 2016 | 978-4-434-22527-7 | January 11, 2022 | 978-1-64273-139-2 |
| 3 | August 31, 2017 | 978-4-434-23565-8 | April 12, 2022 | 978-1-64273-216-0 |
| 4 | May 31, 2018 | 978-4-434-24608-1 | July 26, 2022 | 978-1-64273-170-5 |
| 5 | February 28, 2019 | 978-4-434-25565-6 | October 25, 2022 | 978-1-64273-211-5 |
| 6 | October 31, 2019 | 978-4-434-26543-3 | January 17, 2023 | 978-1-64273-212-2 |
| 7 | July 31, 2020 | 978-4-434-27630-9 | April 11, 2023 | 978-1-64273-252-8 |
| 8 | April 30, 2021 | 978-4-434-28793-0 | September 5, 2023 | 978-1-64273-292-4 |
| 9 | December 31, 2021 | 978-4-434-29739-7 | March 19, 2024 | 978-1-64273-341-9 |
| 10 | September 30, 2022 | 978-4-434-30885-7 | — | — |
| 11 | July 31, 2023 | 978-4-434-32321-8 | — | — |
| 12 | February 29, 2024 | 978-4-434-33489-4 | — | — |
| 13 | October 31, 2024 | 978-4-434-34673-6 | — | — |
| 14 | March 31, 2026 | 978-4-434-37497-5 | — | — |
An anime television series adaptation was announced on March 13, 2026. The series will be produced by Studio Deen and directed by Hiroaki Sakurai, with Keiichirō Ōchi handling series composition, Zenjirou Ukulele designing the characters based on Hajime Watanabe's original animation designs, and Ryoshi Takagi composing the music. It is set to premiere in January 2027.
The 12th manga volume, released in February 2024, stated that the series had sold over 1.5 million copies.
Rebecca Silverman of Anime News Network reviewed the first manga volume, stating that the series' premise was better than its execution. Despite being interested in the concept, she found the pacing to be too fast, not giving enough time for the plot or characters to be fleshed out. She also questioned the lack of consequences for various plot points, which she suggests was a result of the book's pacing. She wondered if this was the fault of the adaptation or was an issue with the original novels.