Nana Mikoshiba has a second series heading to Magazine Pocket. The app’s official X account announced on Tuesday that Mikoshiba’s novel Kasō Slum de Garakuta o Shūri Shiteita Tensei-sha wa Arayuru Majutsu o “Saigen” shi, Sekai Saikō no Majutsu-shi he to Itaru: Genten Majutsu no Sōzō-sha is getting a manga adaptation, and it launches on November 17.
Meguru Kanadome is drawing it. Akari is credited for the original character designs.
The title is a mouthful even by light novel standards. ANN’s gloss runs: A Reincarnated Person Repairing Junk in the Slums Learns to “Recreate” Every Kind of Magic, and Becomes the World’s Greatest Mage ~Creator of Original Magic. Expect English listings to shorten it to something workable if a licensor picks it up.
The premise is the familiar isekai chassis with an unusual hinge. Allen is reincarnated into the slum outskirts of a magical world, where he survives by scavenging, repairing, and reselling broken magical artifacts. Repairing them turns out to teach him how magic actually works at the root, and that knowledge makes him, in the novel’s phrasing, the greatest genius mage in history. Then the abyss of magic starts to open around him.
Mikoshiba started the story on Kakuyomu in June 2025. A manga adaptation roughly a year and a half later is fast, and it says something about how the web novel performed on the platform.
Mikoshiba’s other series is in its final stretch
The obvious context here is The Iceblade Sorcerer Shall Rule the World, which is the reason most readers know Mikoshiba’s name. That story began on Shōsetsuka ni Narō in October 2019 and finished there in February 2022. The light novel series followed in July 2020 with illustrations by Riko Korie, published in print by Kodansha.
Volume 10 ships on December 2, and its listing hints at a finale. If that is what it turns out to be, Mikoshiba will have one long-running franchise closing and a new manga opening in the same stretch of weeks.
Iceblade Sorcerer’s adaptation history is worth laying out, because it explains why Magazine Pocket is a natural home for the new title. Norihito Sasaki’s manga version ran in the app from June 2020 to January 2024, closing at 16 volumes, the last of which shipped in April 2024. Kodansha USA published volume 13 in English on June 2 of this year. A sequel manga launched on May 27, illustrated by Nao Kagami with Ishiya Ōgane on composition, published by Niconico Manga under Kodansha’s Suiyōbi no Sirius label. Its first volume came out on October 8.
The anime side is still moving too. Season 1 premiered in January 2023, and Season 2 opened on October 8 and is currently airing, with Crunchyroll streaming and dubbing both.
Why the timing makes sense
Magazine Pocket has become Kodansha’s busiest adaptation pipeline for web novels that already have a following. Putting Mikoshiba’s new series there is the low-risk version of a launch: the author has a track record, the source material has been running on Kakuyomu long enough to build a readership, and the app has an audience trained to try exactly this kind of story.
The comparison that matters is not Iceblade Sorcerer the anime. It is Iceblade Sorcerer the manga, which ran for three and a half years and produced 16 volumes. That is the outcome Kodansha would like to repeat, and it is a much more realistic target than a second anime season.
One thing to watch is how the adaptation handles the magic system. The novel’s hook is that Allen learns magic by fixing broken things, which is a mechanical, hands-on premise, and manga is a good medium for showing that process page by page. It is also the kind of premise that gets flattened into generic power fantasy when an adaptation rushes the early chapters to reach the fighting. Kanadome’s version will be judged on whether the repair scenes stay interesting.
This pipeline is not unique to Kodansha. Shueisha is running the same play with Seijo Seisen, whose light novels are getting a manga version under the Dash X label this fall. A web novel builds the audience, an artist converts it into pages, and the publisher keeps the rights in house the whole way.
The launch window
November 17 puts the first chapter in the middle of a crowded month for Magazine Pocket, which is already running the Iceblade Sorcerer sequel and a long list of continuing series. New titles in that app tend to get a burst of promotion for the first few chapters and then live or die on the reader ranking.
There is no word on an English release. Kodansha has been steady about bringing Magazine Pocket titles over through K MANGA and Kodansha USA, but nothing has been announced for this one, and no licensor has commented.
For readers who want to see what Mikoshiba does outside Iceblade Sorcerer, the Kakuyomu version of the novel is the only place to look right now. The manga starts November 17.
Featured image: promotional art for the Magazine Pocket manga adaptation of Nana Mikoshiba’s slum-repair novel, with the November 17 start date, via Anime News Network.
