{"rewrite":{"id":"r_093672f306ae0baa891fe18b","clusterId":"c_48554b4fc86fbe26bd82ebd1","slug":"project-sekai-adds-xi-s-ultim-te-be-m-as-a-rhythm-game-song","model":"deepseek-v4-1-flash","headline":"Project Sekai Adds xi's ULTIM@TE☆BE∀M!! as a Rhythm Game Song","summary":"Sega and Colorful Palette added xi's ULTIM@TE☆BE∀M!! to Project Sekai: Colorful Stage! feat. Hatsune Miku as a rhythm game song on October 31, 2026. Players obtain the track by exchanging a Music Card at the Music Shop. The same day brought the event Itsuka no Kimi e, Senritsu o, which runs to November 8, and the Lit in the Dark Gacha, which adds three four-star members and runs to November 11.","whyItMatters":"The song, the event and the gacha all start on the same date, so the new track enters the game inside an event cycle rather than ahead of one.","webCardHtml":"\u003cp\u003eEvent play earns Event Points and Event Badges through Solo Live, Multi Live, Challenge Live and Rank Match, and the badges trade at the event exchange shop for Shinonome Ena at three stars and Akiyama Mizuki at two. An after live follows the event in the Virtual Live space on November 8 and 9, about eight minutes and eighteen seconds per run, with a stamp and 300 crystals as the first-participation reward. Two existing tracks also gained another vocal versions: Shinonome Akito (CV. Fumiya Imai) on Ame to Petra and Asahina Mafuyu (CV. Rui Tanabe) on Kusari no Shoujo -Re Alive-, bought with vocal cards at the Another Vocal Shop.\u003c/p\u003e","blueskyPost":"ULTIM@TE☆BE∀M!! arrives through a Music Card exchange rather than a direct unlock, so Project Sekai players spend a limited resource to get xi's track. The song is a purchase decision, not a gift.","twitterPost":"Project Sekai gates xi's ULTIM@TE☆BE∀M!! behind a Music Card exchange, so the track arrives as a shop purchase, not a free add.","threadsPost":"Project Sekai added xi's ULTIM@TE☆BE∀M!! on October 31, but the song reaches players through a Music Card exchange at the Music Shop. The addition is a spending decision tied to the same day's event and Lit in the Dark Gacha.","newsletterBlurb":"Project Sekai added xi's ULTIM@TE☆BE∀M!! as a rhythm game song on October 31, 2026, obtained with a Music Card at the Music Shop. The event Itsuka no Kimi e, Senritsu o runs to November 8 with an after live on November 8 and 9, and the Lit in the Dark Gacha runs to November 11 with three four-star members.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/476/G047609/20261030049/\",\"title\":\"Project Sekai adds the rhythm game song ULTIM@TE☆BE∀M!!\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":6707,"outputTokens":3721,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1793429283,"createdAt":"2026-10-31T06:44:24.000Z","publishedAt":"2026-10-31T06:45:56.000Z","updatedAt":"2026-10-31T06:45:56.000Z"},"cluster":{"id":"c_48554b4fc86fbe26bd82ebd1","canonicalTitle":"「プロセカ」，リズムゲーム楽曲「ULTIM@TE☆BE∀M!!」を追加","representativeArticleId":"a_96375b380240d9965a8ecc58","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Project Sekai: Colorful Stage! feat. Hatsune Miku\"],\"studios\":[\"Sega\"],\"people\":[],\"type\":\"news\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-31T06:00:00.000Z","lastSeenAt":"2026-10-31T06:00:00.000Z","updatedAt":"2026-10-31T06:45:57.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/476/G047609/20261030049/","title":"「プロセカ」，リズムゲーム楽曲「ULTIM@TE☆BE∀M!!」を追加"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Project Sekai: Colorful Stage! feat. Hatsune Miku"],"studios":["Sega"],"people":[],"type":"news","domain":"games","is_roundup":false},"keyFacts":null,"pageLinks":{"healthSlugs":["project-sekai-colorful-stage-feat-hatsune-miku","sega"],"storySlugs":[],"entities":[{"slug":"project-sekai-colorful-stage-feat-hatsune-miku","supported":11,"disputed":0,"contradicted":0,"unverified":76,"overall":"green","story_count":48,"has_dossier":false},{"slug":"sega","supported":12,"disputed":0,"contradicted":0,"unverified":89,"overall":"green","story_count":194,"has_dossier":true}],"stories":[],"entitiesOk":true,"storiesOk":true}}