How NOT to Summon a Demon Lord ULT Season 3 Reveals Wedding-Dress Teaser Visual and Main Staff

How NOT to Summon a Demon Lord has shared a new update for its third season. On October 9, 2026, How NOT to Summon a Demon Lord ULT revealed a teaser visual featuring Shera L. Greenwood and Rem Galleu in wedding dresses.

The third season itself was already announced on April 6. This latest update instead provides a fresh visual and confirms the main production staff bringing Diablo, Shera and Rem back to television.

Quick Summary

• Global title: How NOT to Summon a Demon Lord
• Japanese title: 異世界魔王と召喚少女の奴隷魔術
• Romanization: Isekai Maou to Shoukan Shoujo no Dorei Majutsu
• Season 3 title: How NOT to Summon a Demon Lord ULT
• Japanese Season 3 title: 異世界魔王と召喚少女の奴隷魔術ULT
• Format: TV anime
• Season: Season 3
• Status: in production
• Season 3 announced: April 6, 2026
• Latest teaser visual: October 9, 2026
• Visual theme: Shera and Rem in wedding dresses
• Literal wedding scene: not confirmed
• Premiere date: unannounced
• Release year: unannounced
• Broadcast season: unannounced
• Episode count: unannounced
• Broadcaster: unannounced
• Streaming platform: unannounced
• Season 3 PV / trailer: unannounced
• Opening theme: unannounced
• Ending theme: unannounced
• Original work: light novel
• Author: Yukiya Murasaki
• Original illustrator: Takahiro Tsurusaki
• Publisher: Kodansha
• Imprint: Kodansha Ranobe Bunko
• Manga adaptation: Naoto Fukuda
• Novel volumes: 14
• Manga volumes: 30
• Series circulation: over 4 million copies
• Season 3 director: Satoshi Kuwabara
• Series composition: Kazuyuki Fudeyasu
• Character design: Ukulele Zennijiro
• Character design: Shizue Kaneko
• Music: Yusuke Kato
• Sound director: Satoshi Motoyama
• Animation production: Tezuka Productions
• Diablo: Masaaki Mizunaka
• Shera L. Greenwood: Yu Serizawa
• Rem Galleu: Azumi Waki
• Season 1: aired in 2018
• Season 1 studio: Ajia-do
• Season 2: aired in 2021
• Season 2 title: How NOT to Summon a Demon Lord Ω
• Season 2 director: Satoshi Kuwabara
• Season 2 production: Tezuka Productions × Okuruto Noboru
• Season 3: reunites multiple creators from earlier seasons
• Production committee: How NOT to Summon a Demon Lord ULT Production Committee
• Main premise: Takuma Sakamoto is summoned into a world resembling MMORPG Cross Reverie
• Otherworld identity: Diablo
• Key ability: Magic Reflect
• Shera: one of the girls involved in summoning Diablo
• Rem: another girl involved in the summoning
• Summoning consequence: the enslavement spell is reflected back
• Current status: awaiting broadcast details and the first Season 3 video

Season 3 Teaser Visual

Season 3 Was Already Announced in April

The third season was initially announced on April 6, 2026. Its title was confirmed as How NOT to Summon a Demon Lord ULT, accompanied by a commemorative illustration from original character illustrator Takahiro Tsurusaki.

The October 9 reveal is therefore not a new greenlight announcement, but the next major production update.

Shera and Rem Appear in Wedding Dresses

The new visual puts Shera and Rem at the center in wedding attire against a bright blue sky.

Official messaging asks viewers to look forward to the story depicted in Season 3, but no specific wedding scene or marriage storyline has been confirmed. For now, the visual should be treated as a teaser rather than direct plot confirmation.

Returning Staff Lead the New Season

Satoshi Kuwabara, who directed Season 2, returns as director, while Kazuyuki Fudeyasu once again handles series composition.

Shizue Kaneko returns for character design alongside Ukulele Zennijiro. Yusuke Kato composes the music, Satoshi Motoyama serves as sound director, and Tezuka Productions handles animation production.

Why This Matters

1) Season 3 is moving into a more concrete production phase

The April announcement confirmed its existence; the October update now provides the main staff and an anime teaser visual.

2) The wedding imagery is an intentional story tease

Shera and Rem's dresses immediately raise questions about the upcoming storyline without officially explaining the context.

3) Several previous-series creators are returning

The staff lineup provides strong production continuity with the earlier anime seasons.

Game Ad

The Hat Man

How NOT to Summon a Demon Lord ULT Anime Information

For now, the additional important information currently known includes:

• Season 3 is an official continuation of How NOT to Summon a Demon Lord
• its title is How NOT to Summon a Demon Lord ULT
• the Japanese title is 異世界魔王と召喚少女の奴隷魔術ULT
• ULT is the official subtitle used for Season 3
• Season 3 production was announced April 6, 2026
• the new teaser visual was revealed October 9, 2026
• Shera and Rem are the focus of the new visual
• both appear in wedding dresses
• official messaging connects the visual to the story to be told in Season 3
• the exact story context remains undisclosed
• no literal wedding scene has been confirmed
• the premiere date remains unannounced
• the release year remains unannounced
• the broadcast season remains unannounced
• Japanese broadcasters remain unannounced
• streaming distribution remains unannounced
• the episode count remains unannounced
• no Season 3 PV or trailer has been announced
• the opening theme remains unannounced
• the ending theme remains unannounced
• Satoshi Kuwabara directs Season 3
• Kuwabara previously directed Season 2
• Kazuyuki Fudeyasu handles series composition
• Fudeyasu also worked on earlier anime installments
• Ukulele Zennijiro handles character design
• Shizue Kaneko handles character design
• Kaneko previously worked on character design for the earlier seasons
• Yusuke Kato handles the music
• Satoshi Motoyama serves as sound director
• Tezuka Productions handles animation production
• Season 2 was produced by Tezuka Productions together with Okuruto Noboru
• Masaaki Mizunaka returns as Diablo
• Yu Serizawa returns as Shera L. Greenwood
• Azumi Waki returns as Rem Galleu
• the original novels are written by Yukiya Murasaki
• Takahiro Tsurusaki illustrates the novels
• Kodansha publishes the novels under Kodansha Ranobe Bunko
• the original novel series has 14 volumes
• Naoto Fukuda draws the manga adaptation
• Kodansha publishes the manga
• the manga has reached Volume 30
• Manga Volume 30 was released on August 7, 2026
• Volume 30 contains 160 pages
• its Japanese price is 792 yen
• Volume 30 ISBN is 978-4-06-544445-0
• the franchise has surpassed 4 million copies in circulation according to information released with the Season 3 announcement
• Season 1 aired in 2018
• Season 2 aired in 2021
• Season 2 used the Ω / Omega subtitle
• roughly five years passed between Season 2 and the Season 3 production announcement
• the story follows Takuma Sakamoto after he is summoned into a world resembling Cross Reverie
• Takuma assumes the identity of Diablo
• Shera and Rem initially attempt to use enslavement magic on Diablo
• Diablo's Magic Reflect turns the spell back on them
• Diablo, Shera and Rem have remained the central trio throughout the series
• Season 3 information is available through the Official Anime Website
• official updates are available through Official X
• the original Season 3 announcement is available through the Official Season 3 Announcement
• book information is available through the Kodansha Official Series Page
• the latest manga volume is available through the Kodansha Volume 30 Page

Closing

How NOT to Summon a Demon Lord ULT has officially been Season 3 since April, and the October 9 teaser visual now gives the production its next major update through Shera and Rem's new artwork and the confirmed main staff.

The biggest details are still missing: its broadcast schedule and the exact meaning of the wedding imagery. Until a trailer or new synopsis arrives, the visual remains a deliberate tease rather than confirmed plot information.