King Gnu’s New Song “AIZO” Chosen as Opening Theme
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for Jujutsu Kaisen Season 3: Culling Game (Part 1)
Japanese rock band King Gnu has announced that their new song “AIZO” will serve as the opening theme for Jujutsu Kaisen Season 3, Culling Game (Part 1).
The song will be released digitally on January 9, 2026, followed by a physical CD release on February 11, 2026.
A Proven Collaboration Returns
King Gnu has previously worked with Jujutsu Kaisen on several iconic tracks, including:
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“Ichizu” (Jujutsu Kaisen 0 main theme)
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“Sakayume” (ending theme)
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“SPECIALZ” (Season 2 opening theme)
Their return marks another highly anticipated collaboration between contemporary Japanese rock and anime storytelling.

About “AIZO”
Written specifically for the Culling Game arc, “AIZO” is described as a fast-paced rock track with relentless momentum—perfectly matching the intense and unforgiving nature of the story.

Release Details
King Gnu – “AIZO”
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Digital Release: January 9, 2026
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CD Release: February 11, 2026
Available in three editions, including a limited anime jacket version and a first-press edition with Blu-ray live footage.