A Certain Item of Dark Side Anime Reveals October 9 Premiere
The trailer confirms Chobi Keno as a fifth ITEM member, expanding the core cast beyond the four main characters the novel series centers on, which suggests the anime may adapt material beyond the first volume.
Key Facts
- The anime premieres on October 9 on Tokyo MX.
- East Of Eden performs the opening theme "Ghost Sequence," the band's first anime tie-in.
- Kishida Kyoudan & The Akeboshi Rockets perform the ending theme "Meltdowner."
- The trailer introduces Chobi Keno as a fifth member of ITEM.
- Tatsuyuki Nagai directs the anime at J.C. Staff, with Shigeki Kimoto as character designer and Maiko Iuchi as composer.
Reporting from 2 sources: Anime News Network, Anime Corner.
The television anime adaptation of Kazuma Kamachi's Toaru Anbu no Item (A Certain Item of the Dark Side) spinoff novel will premiere on October 9. The staff revealed a new trailer, the theme song artists, and the premiere date on Friday. The opening theme "Ghost Sequence" is performed by East Of Eden, marking the band's first anime tie-in. The ending theme "Meltdowner" (Genshi Kuzushi) is performed by Kishida Kyoudan & The Akeboshi Rockets, who previously contributed the first ending theme for A Certain Scientific Railgun T. The trailer also introduces Chobi Keno, a fifth member of the secret organization ITEM. The four main members were previously announced: Shizuri Mugino (voiced by Ami Koshimizu), Rikou Takitsubou (Aya Suzaki), Frenda Seivelun (Maaya Uchida), and Saiai Kinuhata (Chinatsu Akasaki). Tatsuyuki Nagai, who directed A Certain Scientific Railgun, is directing the anime at J.C. Staff. Shigeki Kimoto, chief animation director for the A Certain Magical Index and A Certain Scientific Railgun series, is designing the characters. Maiko Iuchi composes the music. The novel series follows the women of Academy City's dark side, focusing on the underground organization ITEM.
The trailer shows Chobi Keno using a large weapon, though the character's actor and ability are not yet announced. The series will air on Tokyo MX starting October 9. East Of Eden's "Ghost Sequence" is the band's first anime tie-in. Kishida Kyoudan & The Akeboshi Rockets previously performed the first ending theme for A Certain Scientific Railgun T.
The anime adapts the spinoff novel series by Kazuma Kamachi, which began in 2023 under Kadokawa's Dengeki Bunko imprint. The sixth novel volume shipped on February 10. A manga adaptation launched in fall 2023, with the first compiled volume released in June 2024 and the second in April 2025.
The A Certain Magical Index franchise includes three television anime seasons, a 2013 film, and multiple manga adaptations. A Certain Scientific Railgun has three anime seasons with a fourth announced. Yen Press releases the original light novel series in English. Funimation has released most of the anime adaptations in North America. Seven Seas Entertainment handles the English release of the A Certain Scientific Railgun manga, and Yen Press releases the A Certain Magical Index manga in English.
Synthesized by Yomimono from the 2 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.