{"rewrite":{"id":"r_3843434a52902982f92e928a","clusterId":"c_89956b465c2a3bd4998bd9c2","slug":"a-certain-item-of-dark-side-anime-reveals-october-9-premiere","model":"deepseek-v4-flash","headline":"A Certain Item of Dark Side Anime Reveals October 9 Premiere","summary":"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 \u0026 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.","whyItMatters":"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.","webCardHtml":"\u003cp\u003eThe trailer shows Chobi Keno using a large weapon, though the character\u0026#39;s actor and ability are not yet announced. The series will air on Tokyo MX starting October 9. East Of Eden\u0026#39;s \u0026#34;Ghost Sequence\u0026#34; is the band\u0026#39;s first anime tie-in. Kishida Kyoudan \u0026amp; The Akeboshi Rockets previously performed the first ending theme for \u003cem\u003eA Certain Scientific Railgun T\u003c/em\u003e.\u003c/p\u003e\n\u003cp\u003eThe anime adapts the spinoff novel series by Kazuma Kamachi, which began in 2023 under Kadokawa\u0026#39;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.\u003c/p\u003e\n\u003cp\u003eThe \u003cem\u003eA Certain Magical Index\u003c/em\u003e franchise includes three television anime seasons, a 2013 film, and multiple manga adaptations. \u003cem\u003eA Certain Scientific Railgun\u003c/em\u003e 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 \u003cem\u003eA Certain Scientific Railgun\u003c/em\u003e manga, and Yen Press releases the \u003cem\u003eA Certain Magical Index\u003c/em\u003e manga in English.\u003c/p\u003e","blueskyPost":"East Of Eden's first anime tie-in opens A Certain Item of Dark Side. Kishida Kyoudan \u0026 The Akeboshi Rockets return from Railgun T for the ending.","twitterPost":"East Of Eden's first anime tie-in opens the series. Kishida Kyoudan \u0026 The Akeboshi Rockets return from Railgun T.","threadsPost":"A Certain Item of Dark Side's trailer confirms East Of Eden's first anime tie-in for the opening. Kishida Kyoudan \u0026 The Akeboshi Rockets, who did Railgun T's first ending, return for the ending. The trailer also introduces a fifth Item member not in the main cast.","newsletterBlurb":"The A Certain Item of the Dark Side anime will premiere on October 9. A new trailer reveals the opening and ending theme songs, introduces a fifth ITEM member named Chobi Keno, and confirms the directing and music staff. The series adapts Kazuma Kamachi's spinoff novel about the women of Academy City's dark side.","attributionJson":"[{\"source\":\"Anime News Network\",\"url\":\"https://www.animenewsnetwork.com/news/2026-07-03/toaru-anbu-no-item-anime-unveils-trailer-theme-song-artists-october-9-debut/.239259\",\"title\":\"Toaru Anbu no Item Anime Unveils Trailer, Theme Song Artists, October 9 Debut\"},{\"source\":\"Anime Corner\",\"url\":\"https://animecorner.me/a-certain-item-of-dark-side-anime-reveals-main-trailer-theme-songs-and-october-9-premiere/\",\"title\":\"A Certain Item of Dark Side Anime Reveals Main Trailer, Theme Songs, and October 9 Premiere\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":10099,"outputTokens":1349,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1783131394,"createdAt":"2026-07-04T02:08:51.000Z","publishedAt":"2026-07-04T02:13:32.000Z","updatedAt":"2026-07-04T02:08:51.000Z"},"cluster":{"id":"c_89956b465c2a3bd4998bd9c2","canonicalTitle":"A Certain Item of Dark Side Anime Reveals Main Trailer, Theme Songs, and October 9 Premiere","representativeArticleId":"a_06a90b818f45a425bc0d40ca","sourceCount":2,"writtenSourceCount":2,"writeAttempts":0,"isSolo":false,"entitiesJson":"{\"anime_titles\":[\"A Certain Item of Dark Side\",\"Toaru Anbu no Item\"],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"announcement\",\"domain\":\"anime\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-03T11:47:17.000Z","lastSeenAt":"2026-07-04T01:04:01.000Z","updatedAt":"2026-07-04T02:13:32.000Z"},"attribution":[{"source":"Anime News Network","url":"https://www.animenewsnetwork.com/news/2026-07-03/toaru-anbu-no-item-anime-unveils-trailer-theme-song-artists-october-9-debut/.239259","title":"News\nToaru Anbu no Item Anime Unveils Trailer, Theme Song Artists, October 9 Debut"},{"source":"Anime Corner","url":"https://animecorner.me/a-certain-item-of-dark-side-anime-reveals-main-trailer-theme-songs-and-october-9-premiere/","title":"A Certain Item of Dark Side Anime Reveals Main Trailer, Theme Songs, and October 9 Premiere"}],"entities":{"anime_titles":["A Certain Item of Dark Side","Toaru Anbu no Item"],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"announcement","domain":"anime","is_roundup":false},"keyFacts":["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 \u0026 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."]}