The 1-hour Undead Unluck is officially on its way and has just received a new trailer, revealing more details about the highly anticipated Winter Arc . The video features never-before-seen scenes, confirms the dark tone of the new phase, and introduces the songs "01" and "02," both performed by the band Queen Bee .

A direct continuation of the first season.
The special serves as an immediate sequel to the events of the original season, expanding on the battle for UMA Winter and introducing entirely new content written by Yoshifumi Tozuka , the manga's author. The plot delves deeper into the conflict between the leaders of the Union and the Under , introducing new characters and reinforcing the work's mythology.
Heavyweight team returns
The production is led by director Seong-Hu Park , known for his work on Jujutsu Kaisen . E&H Production is handling the main animation, while David Production —responsible for the first season—returns as a collaborator.
The team also includes:
- Screenplay: Gakuto Haishima ( Fire Force )
- Character design: Hideyuki Morioka & Shunichi Ishimoto
- Music: Kenichiro Suehiro ( Re:Zero )
The special will also introduce new characters and a completely new UMA created by Tozuka.

Premiere scheduled for December.
The special premieres on December 25th on Japanese TV, airing on MBS and TBS. This date marks the anime's return to television after the conclusion of its first season in 2024.
In Brazil, the original season remains available on Disney+ , with subtitles and dubbing in Portuguese.
The Winter Arc promises to be one of the most significant year-end releases for anime fans. With a talented team, new content, and a story eagerly awaited by manga readers, Undead Unluck returns in full force—and with many surprises.