Zenitsu From Demon Slayer Gets New 2026 Birthday Artwork by ufotable

Studio ufotable revealed a new commemorative illustration to mark the birthday of Zenitsu Agatsuma from Demon Slayer in 2026. Zenitsu celebrates his birthday on September 3.

The character had a major role in the first Infinity Castle movie, which recently officially began streaming online alongside its Japanese Blu-ray release. In the film, he showed off his new Thunder Breathing form against his former fellow disciple Kaigaku.

Ufotable frequently releases seasonal and character-focused artwork to celebrate big occasions, such as Christmas, New Year, or Valentine’s Day, or character birthdays. Previously, the Stone Hashira Gyomei Himejima got one on August 23.

Zenitsu Agatsuma Celebrates Birthday With New 2026 Illustration by Ufotable

You can check out Zenitsu’s new birthday artwork below.

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Background on Demon Slayer

Koyoharu Gotoge wrote and illustrated the Demon Slayer: Kimetsu no Yaiba manga series. It was serialized in Shueisha’s Weekly Shonen Jump magazine from February 2016 to May 2020, ending with a total of 23 published volumes.

The anime adaptation by ufotable began with the 26-episode Season 1, which aired from April to September 2019. Following its success, the sequel movie, Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train followed in October 2020 and arguably began the entire anime movie boom. The movie was then re-edited and shown as part of the 18-episode Season 2, which aired from October 2021 to February 2022. The 11-episode Season 3 aired from April to June 2023, while Season 4 aired from May to June 2024 and set the stage for the endgame.

The first part of the Demon Slayer: Infinity Castle trilogy premiered in Japan on July 18, 2025 and then went on a record-breaking run, earning over 25 billion yen (approximately 174 million USD) in the first 31 days.

Following its domestic debut, it launched internationally on August 14, hitting North American theaters on September 12 and breaking even more records. It film expanded to SCREENX and ULTRA 4DX screenings in Japan starting on February 20. This marked the franchise’s first entry into multi-screen and immersive 4DX formats.

Source: Demon Slayer Official X
© Koyoharu Gotoge / SHUEISHA / Aniplex / ufotable