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In a World Full of Zombies I'm the Only One Who Doesn't Get Attacked has unveiled its main trailer and a new key visual ahead of its January 2027 premiere in Japan on AT-X. The latest announcement also reveals two additional cast members and both theme-song performers.
In a World Full of Zombies Main Trailer
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Retbear performs the opening theme, “No Reaction”. The project is led by composer and producer Kairiki Bear and features anonymous vocalists credited as “unknown Vo.” This song’s vocalist is listed as “unknown Vo: 0in.”
Itsuka Saisei performs the ending theme, “Tsukikage.” The performance unit also contributed theme songs to this year’s Elegy for the Henchmen: Fist of the North Star short anime.
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Retbear
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Itsuka Saisei
Rikako Ito joins as Tokiko Kurose, while Marie Miyake voices Sayaka Makiura. They join the previously announced Wataru Kato as Yusuke Takemura and Yuno Azuma as Mitsuki Fujino.
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Yusuke Takemura / Wataru Kato
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Mitsuki Fujino / Yuno Azuma
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Tokiko Kurose / Rikako Ito
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Sayaka Makiura / Marie Miyake
Kazuya Fujishiro directs at Acca effe and Frontier Engine, with series composition by Yasushi Hirano and scripts by Kayo Shimoyama and Makuto Okimi. Yoshiharu Ishihara provides the character designs, and ISAO composes the music.
Additional staff include sound director Naofumi Jinbo, with Bisei handling sound production and Frontier Works handling music production.
The original novels were created by Rokuro Uraji with illustrations by Saburo and published by Frontier Works under its Nox Novels imprint. Frontier Works also publishes Chihiro Masuda’s manga adaptation.
MangaPlaza offers the manga in English and describes the story:
Former office worker Yusuke Takemura wakes to find his town overrun by zombies after an apparent bite. Strangely, the undead leave him alone. With society collapsing, he sees a chance to live on his own terms, until he encounters Mitsuki, another survivor desperate for help. His unusual immunity gives him a powerful advantage, but the bargains he makes with those who need his supplies reveal a darker side of survival.
Source: Press release; official anime website