Naver Webtoon launches Tower of God's Urek Mazino side story

Naver Webtoon launches Tower of God
Naver Webtoon launches Tower of God's Urek Mazino side story (Image via The Answer Studio)

On Monday, April 28, 2025, the first six chapters of the Urek Mazino-focused side story for the Tower of God franchise were officially released after many months of franchise inactivity. The chapter was officially released in Korea on the Naver WEBTOON platform, and will be serialized every Tuesday in Korea.

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As of this article’s writing, an official English version of the side story, officially titled Urek Mazino, is not currently available on the English Webtoon website. However, given that this is where the original Tower of God webtoon is serialized, an official translation is expected to be released soon. This seems especially likely considering the anticipation surrounding the spinoff and the fact that the main series is on hiatus.


Tower of God’s Urek Mazino-centric spinoff reveals his role in the series’ universe, reason for entering the Tower

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Officially titled Urek Mazino, the new series will focus on the titular character, who is a fan favorite from the mainline Tower of God series. The spinoff is also being produced by the mainline series creator, author, and illustrator S.I.U. during the main series’ hiatus.

Naver WEBTOON claimed the spinoff is part of an ongoing effort to expand the narrative universe of its most popular IPs, and has further diversified content while enhancing reader engagement.

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For creator S.I.U.'s beloved series—often called the “One Piece of manhwa” by fans—this is fairly easy to achieve given S.I.U.’s Tale of the Uzer Story approach to the series’ universe. Essentially, S.I.U. considers the story to be the first in the larger Talse Uzer Story (TUS) universe. In this narrative universe, there are beings called “Axis Users” who have the ability to influence stories within the TUS universe.

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The Urek Mazino spinoff likewise focuses on one of these beings, Phantaminum, who is clearly established as the spinoff’s antagonist opposite Urek’s protagonist role. The spinoff will likewise reveal Urek’s life before entering the Tower to fans, as well as his motivations for climbing it, which revolve around Axis User Phantaminum.

Fans of the mainline series will know Phantaminum as the enigmatic number one Ranker who even outclasses King Jahad.

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Urek is known in the mainline series as an “Irregular” and is the second strongest active Ranker in the Tower behind King Jahad himself. A Ranker is someone who reaches the Tower’s 134th floor, the final floor of the Jahad Empire and thus the highest floor in the Tower currently. Urek is also known as the vice commander of Wolhaiksong, a group whose primary mission is to find a way out of the Tower.

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S.I.U, an abbreviation for “Slave. In. Utero,” began the mainline Tower of God webtoon in June 2010 on the Naver Webtoon platform, where it is still ongoing. The series is serialized in English on the Line Webtoon platform. The series was adapted into a television anime by Telecom Animation Film in April 2020. A second season produced by The Answer Studio premiered in July 2024.


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Edited by Joseph Brogan
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