The Vermilion Mask Drops Its Second Trailer, Full Theme Songs, and an October 10 Start Date
Key takeaways
- The Vermilion Mask premieres October 10, 2026 on Crunchyroll as a confirmed two-part series
- MAN WITH A MISSION performs opening theme "Firestarter," with yutori's "Koe" as the ending theme
- Taihi Kimura leads as Peru d'Arrest, joined by Akio Otsuka as the Mask of the Warrior God
- One Double-O studio animates, with Tetsuaki Watanabe directing and Hisashi Higashijima as character designer
Dark fantasy has had a quiet year next to the isekai and shonen sequels dominating 2026's calendar, so it is worth paying attention when a new one shows up with this much craft behind it. The Vermilion Mask, the TV anime adaptation of Dr. Poro and Nabana Naba's manga, used a September 10 promotional video to lock in the details fans had been waiting on since its first trailer back in July: a hard release date, a finished cast list, and the music that will carry it.
What the second trailer confirmed
The headline is the date. The Vermilion Mask premieres October 10, 2026, streaming on Crunchyroll, and it arrives already confirmed as a two-part series rather than a standard single-cour run. That structure alone signals a studio planning for a long, dense adaptation rather than a quick summary of the manga's opening chapters.
The PV also settled the music. MAN WITH A MISSION, a band with real anime pedigree after theme songs for franchises like My Hero Academia, performs the opening, "Firestarter." The ending theme, "Koe," comes from yutori. Both are the kind of high-profile theme song gets that studios reserve for titles they expect to be a seasonal centerpiece, not a background curiosity.
The cast, now filled out
Six new cast members joined the roster in this reveal, rounding out a lineup led by Taihi Kimura as protagonist Peru d'Arrest. The returning and expanded cast includes Yuuki Yamamoto as Sonarue Maywood, Kazuki Ura as Mok Sharib, Takanori Hoshino as Gouon, Wataru Komada as Totoque, Junya Enoki as Zent, and veteran Kazuhiko Inoue as Gaston. The biggest name on the sheet is Akio Otsuka, a voice actor with decades of credits across anime and games, taking on the ominous-sounding Mask of the Warrior God.
That is a deep bench for a first-time adaptation, and it suggests Crunchyroll and the production committee are betting on this one clearing more than a niche audience.
Who's making it
Animation comes from One Double-O, a newer studio taking on its highest-profile project yet, with Tetsuaki Watanabe directing. Daisuke Ohigashi is handling series composition, Hisashi Higashijima is character designer and chief animation director translating Nabana Naba's original art to screen, and Alisa Okehazama composes the score. It is a small-studio, high-ambition combination that fans have learned to watch carefully this cycle, since 2026 has been full of newer studios either rising to the moment or buckling under a franchise's weight.
Why it matters
The Vermilion Mask is entering a fall season already stacked with heavyweight sequels, from The Apothecary Diaries Season 3 to Cyberpunk: Edgerunners Season 2. A brand-new dark fantasy with no built-in audience needs a strong first impression to carve out space next to that lineup, and locking a stacked cast plus a MAN WITH A MISSION opening this far ahead of the premiere is exactly how a production committee signals confidence. Whether the show can back that up starts October 10.
Frequently Asked Questions
When does The Vermilion Mask premiere?
October 10, 2026, streaming on Crunchyroll.
Is The Vermilion Mask a full season or a shorter run?
It has been confirmed as a two-part series, meaning the story is planned across two cours rather than wrapping in a single one.
Who sings the opening and ending themes?
MAN WITH A MISSION performs the opening theme, "Firestarter," and yutori performs the ending theme, "Koe."
What studio is animating The Vermilion Mask?
One Double-O, directed by Tetsuaki Watanabe, with character designs by Hisashi Higashijima.
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