01① Originality of Negator Battles
Negators who possess abilities that "negate" the rules of the world, such as "Undead" and "Unluck."
Each ability has activation conditions, leading to strategic battles.
The charm is reversal dramas where the weak can defeat the strong depending on ability usage 💀
02② The Bond Between Andy and Fuuko
Fuuko who brings misfortune to those she touches, and Andy the Undead who negates all death.
Seems like the worst compatibility, but actually demonstrates the best combination.
The change in their relationship is a major highlight of the work 💕
03③ Grand Worldview and Foreshadowing
The "God" who manages the world, "UMAs" that harm people, and ability users "Negators."
Countless foreshadowing spread throughout—new discoveries with every reread.
An irresistible work for theory enthusiasts 🌍
05⑤ Hot Bonds with Companions
Members of "Union," the organization where Negators gather, are all unique individuals.
Each one's past and beliefs are carefully depicted—you can empathize.
Fighting for companions is the essence of classic shonen manga 🔥
06① Confrontation Between Juiz and Billy
Juiz and Billy sparking intensely in the main visual.
The confrontation between former comrades will be Winter Arc's biggest highlight.
Pay attention to the moment their history and true intentions are revealed ⚔️
07② New Character "Terror" Appears
Terror (CV: Kensho Ono), Billy's comrade from his mercenary days, appears.
A mysterious man who hides his mouth with cloth, with a strong sense of justice and cares for companions.
Pay attention to how his relationship with Billy is depicted 🎭
08③ Original UMA "Balance"
Original UMA "Balance" (CV: Takehito Koyasu) designed by original author Yoshifumi Tozuka appears.
An existence born to maintain world equilibrium—the balance scale motif is impressive.
Looking forward to how it performs as an anime-original element ⚖️
09④ Clash Between UMA Burn and UMA Spoil
UMA Burn clad in flames and UMA Spoil with decay abilities clash with massive impact.
UMA vs UMA battles become particularly flashy action within the work.
High expectations for how Director Sunghoo Park will depict it 🔥
10⑤ Billy's Past from His Mercenary Days
The PV suggests hidden episodes from Billy's mercenary days.
The answer to why he chose his current path may be revealed.
Pay attention to Rikiya Koyama's passionate performance 💣
11① Fuuko and Andy's Meeting
Izumo Fuuko, a girl with "Unluck" who brings unfortunate accidents to those she touches.
Appearing before Fuuko who was prepared for death was Andy, an "Undead" man who negates all death.
Andy travels with her to obtain "true death" through Fuuko's power 🌟
12② Encounter with Union
"Union," an organization that gathers Negators to protect the world, appears before the two.
Union led by Juiz was filled with unique Negators.
Andy and Fuuko also become Union members, throwing themselves into battle against UMAs 🏢
13③ Battle Against UMAs
The battle against UMAs (Unidentified Mysterious Animals) that bring disaster to the world begins.
The mechanism where "something" disappears from the world when UMAs are defeated is revealed.
Fierce battles against powerful enemies like UMA Spoil and UMA Burn unfold 💥
14④ Billy's Betrayal
Union's vice-leader Billy suddenly declares his betrayal.
He leads the opposing organization "Under" and becomes hostile to Union.
A tragic development of fighting former comrades begins 😱
15⑤ Fierce Battles of the Autumn Arc
The climax of TV anime Season 1 was the UMA Autumn battle.
An intense battle depicting Fuuko's growth and her bond with Andy being tested.
And the story continues to the Winter Arc ❄️
16⑥ Groundwork for Winter Arc
The confrontation between Juiz and Billy, former allies, approaches.
In a frigid land, a new battle begins.
Andy and Fuuko's journey to find "the best death" continues 🌨️
17📺 TV Broadcast
Air Date: December 25, 2025 (Thursday) 24:10~
Broadcasting: Nationwide simultaneous broadcast on 28 MBS/TBS network stations
Format: 1-hour TV special
18🌐 Streaming Services
Sequential streaming from December 26, 2025 (Friday) 1:10~:
• Netflix
• Amazon Prime Video
• d Anime Store
• U-NEXT
• Hulu
• ABEMA
• DMM TV
• TVer
Streaming scheduled 📱
19🎄 Christmas Broadcast!
Broadcast confirmed for Christmas Eve December 25, overlapping with the in-story season of "winter."
The best night to enjoy Undela on Christmas Eve 🎅
20📺 Season 1 Free Streaming Information
To commemorate the Winter Arc broadcast, free streaming of TV anime Season 1 (all 24 episodes) has been confirmed!
Sequential release on YouTube (TMS Anime Official Channel), TVer, and ABEMA.
Please use it for review 📖