Summary

Isayama and Kaji embark on new project, not directly linked to Attack on Titan, involving voice synthesis software.
Project titled Soyogi Fractal, celebrating Kaji's 20th career anniversary, offers voice reproducing software.
Isayama moves away from Attack on Titan post-series, teases new manga spin-off exploring AI technology limits.

Back in June, Attack on Titan creator Hajime Isayama announced a new project, and it will start soon! This project is apparently not directly related to Attack on Titan, but it also involves Eren's Japanese voice actor, Yuki Kaji. It is titled Soyogi Fractal.

This project is currently marketed as part of the 20th anniversary of Yuki Kaji's career as a voice actor, and it's related to Soyogi Soyogi, a voice synthesis software character featuring his own voice. There are two versions: in one, it's possible to reproduce Kaji's speaking voice, and in the other, his singing voice. He stated that he created it because he was worried about people using his voice to feed generative AI, so he decided it was best to provide an official, legal and commercial way to allow the use of his voice.

Attack on Titan: Is THE LAST ATTACK The Future of the Franchise or The End?

On November 8th, the final Attack on Titan movie hit the big screen in Japanese cinemas, with an uplifting post credit sequence to see the series off.

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By Brianna Barboza

The new manga is a one-shot story that will be featured in Kodansha's Bessatsu Shonen Magazine edition slated for January 9, 2025. Isayama storyboarded it himself, but Noshigami Kai is credited for the final art. It is tentatively titled Soyogi Fractal: Official Spin-Off.

Soyogi Fractal is likely to discuss the limits of AI, as the main character, Soyogi, briefly thinks about the purpose and the future of this technology in a teaser drawn by Isayama. Initial news also stated that the project would include a man and a woman, but with no further relevant information. Since this one-shot is a spin-off, it could also follow a slightly different path.

Isayama Moving From Attack on Titan

Despite the involvement of both Isayama and Kaji in this project, it seems the author is moving away from Attack on Titan after the end of the series (and now, the end of the anime). It could be a temporary shift or maybe Isayama plans to start a new chapter of his life, away from the series he spent so many years of his life drawing.

While Attack on Titan fans might be disappointed, they will have to wait and see what's next for the author. And just because he might be moving from it, it doesn't mean he will not approve the creation of spin-off stories, either manga or anime. Last year, Isayama was honored with the Fauve Spécial at the Angoulême International Comics Festival, the biggest international festival dedicated to comics (and held in Angoulême, France, every year).

Attack on Titan: Last Attack Movie

Attack on Titan: Last Attack debuted in Japanese theaters in November 2024, with good commercial reception. This movie is mostly a "final act" to Eren's story, as it compiles the last two parts of the Final Season, but also adds new scenes. Luckily, Crunchyroll recently confirmed the movie will come to American theaters soon.

Attack on Titan anime adaptation is available to stream on Crunchyroll, both subbed and dubbed.

Source: Official Website and MangaMoguraRE

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