Toei Animation and Tsuburaya Productions have announced a new anime, Kaiju Decode: Idara’s Ring（『怪獣デコード アイダラの指輪』）, unveiling a key visual and a special video. If you just want the official sources fast, we’ve gathered the website, X account, and the best places to watch the teaser and track updates below.
Official links: website, X account, and the special video hub
• Official website: kaiju-decode.com
• Official X (Twitter): @Kaiju_Decode （hashtag: #怪獣デコード）
• Special video (YouTube): follow the link posted via the official site/X. If the YouTube URL isn’t visible in your region, check the latest post on X for a mirrored link.
What today’s reveal includes beyond the key visual
The announcement confirms production on a new Sakai City–set chapter and releases a special video that frames kaiju battles against the city backdrop. It also introduces the leads—Maru (voiced by Aki Yamane) and Coco (voiced by Karin Takahashi)—with brief cast comments highlighting Maru’s upright, empathetic nature and Coco’s sharp, mission-driven resolve as a kaiju handler of the Idara tribe.
Project context inside the wider KAIJU DECODE transmedia
KAIJU DECODE is a Toei × Tsuburaya transmedia initiative themed around “a story of a kaiju and a girl.” Earlier entries include a 9-minute short (streaming on TSUBURAYA IMAGINATION), a VR animation -first contact-, and an MR game -super multiverse MR- (both distributed via Meta Store). Idara’s Ring extends that world with a new anime storyline.
Sakai City setting and how the teaser frames the locale
The new video stages explosive kaiju sequences in and around Sakai, the anime’s setting. As part of local tie-ins, a talk show and MR game trial were held at the Sakai Festival.
• Sakai Film Office feature（JP） / EN page
Premise crib sheet for quick onboarding
In AD 2070, the “Skyfall Catastrophe” rains down space stations and an unknown bacterium that fuses with matter, spawning “hyper-limit organisms.” Humanity retreats into a constraint-free society called the City, while hazardous areas become the Zone. Maru lives peacefully in the City; Coco, of the Idara people, survives in the Zone among kaiju. Their meeting drives a story about bridging divided worlds.
Follow-and-notify checklist to catch every update
1) Bookmark the official website and check the News section for asset drops.
2) Follow @Kaiju_Decode, turn on “notifications,” and track the hashtag #怪獣デコード for quick clips and event info.
3) Revisit the short/VR/MR entries to understand the franchise’s tone and visual language while waiting for broadcast/streaming details.
©円谷プロ・東映アニメーション
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