Undead Unluck: Winter Arc

Also known as: Undead Unluck: Winter-hen / アンデッドアンラック Winter編

Undead Unluck: Winter Arc is a special by E&H Production that premiered in Fall 2025. It is finished airing with 1 episodes of about 48 minutes each. Genres: Action, Comedy, Sci-Fi, Supernatural. Average AniList score: 7.6/10.

Synopsis

Billy betrays the Union and seizes the Round Table. Amidst a blizzard caused by UMA Winter, he receives a report on the Autumn battle and learns Undead and Unluck are evolving. Juiz appears, revealing to him that the artifacts are weapons meant to defeat God and that the Ark can only perform one more loop. She urges Billy to join forces once more and stake everything on Unluck to achieve their shared goal: “defeat God.” However, Billy declares that they cannot work together. Juiz realizes Billy’s true intention—to obtain Ark and Apocalypse—but before she can act, Billy drags them into a brutal clash involving UMAs on both sides.

(Source: TMS Entertainment)

Undead Unluck: Winter Arc episodes

  1. Episode 1: TV Special — aired December 25, 2025

Main characters

  • Juiz (Main) — voiced by Mariya Ise
  • Billy Alfred (Main) — voiced by Rikiya Koyama
  • Andy (Supporting) — voiced by Yuuichi Nakamura
  • Fuuko Izumo (Supporting) — voiced by Moe Kahara
  • Apocalypse (Supporting) — voiced by Tomokazu Sugita
  • Shen Xiang (Supporting) — voiced by Natsuki Hanae
  • Tatiana (Supporting) — voiced by Rie Kugimiya
  • Nico Vorgeil (Supporting) — voiced by Kouji Yusa
  • Spoil (Supporting)
  • Top (Supporting) — voiced by Nobuhiko Okamoto

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Genres: Action, Comedy, Sci-Fi, Supernatural · Season: Fall 2025