After several months without news, it was confirmed that the anime Undead Unluck will premiere its special episode Winter-hen he December 25, 2025. This episode will last one hour and will serve as a direct sequel to the first season.
The announcement also revealed a major change in production: David Productionresponsible for the original season, was replaced by the studio E&H Productionknown for his work in Ninja Kamui and the special One Piece: Monsters.
The special will feature an original story written by Yoshifumi Tozukaauthor of the manga. In this installment the new character will debut Balancea Uma which did not appear completely in the original material. The character will be played by Takehito Koyasu.

According to the details revealed, Winter-hen It will not be a new season or a movie, but rather a self-contained episode that will expand the universe of the work and explore elements that were left pending in the manga.
At the moment, the production of a second season of Undead Unluckalthough it is expected that future updates will arrive after the special is broadcast.
Will it work Undead Unluck: Winter-hen as a starting point for a new stage in the animated adaptation?
