The Toaru Majutsu to Kagaku no Gensou Ongeki Film Concert revealed the main staff and a teaser visual (pictured) for the Toaru Anbu no Item (A Certain Dark Side Item) television anime during the matinee performance on Sunday. The anime series adapting Kazuma Kamachi's spin-off light novel will air in 2026.

Staff
Director: Tatsuyuki Nagai (Toaru Kagaku no Railgun)
Character Design: Shigeki Kimoto (Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka)
Studio: J.C.Staff

Voice actresses Ami Koshimizu, Maaya Uchida, Aya Suzaki, Chinatsu Akasaki are starring as Shizuri Mugino, Frenda Seivelun, Rikou Takitsubo, and Saiai Kinuhata, respectively.

Kamachi began penning the spin-off light novel under the Dengeki Bunko imprint in March 2023, featuring illustrations by Nilitsu (Shokei Shoujo no Virgin Road). Kadokawa published the sixth volume on February 10.

Dengeki Daioh began serializing a manga adaptation by strelka (Hinowa ga Yuku!) in October 2023. Kadokawa released the second volume in April 2025.

Official site: https://toaru-project.com/item/
Official X: @toaru_project

Source: Press Release