{"rewrite":{"id":"r_7096d85f32eb4d4997863b6a","clusterId":"c_6d1a7e837b784b4bac1cf853","slug":"project-sekai-overseas-versions-to-host-deemo-and-cytus-collaboration","model":"deepseek-v4-flash","headline":"Project Sekai Overseas Versions to Host Deemo and Cytus Collaboration","summary":"The Simplified Chinese, Traditional Chinese, and Korean versions of Project Sekai: Colorful Stage! feat. Hatsune Miku will run a DEEMO×Cytus collaboration starting June 20, 2026. A commemorative PV featuring Deemo's 'Sairai' was released. The collaboration was also teased for the Cytus II side, and a Switch 2/Switch version of Cytus II was announced for 2027.","whyItMatters":"The collaboration brings two major Rayark rhythm game franchises into Project Sekai for overseas audiences, with the Japanese version's participation still unconfirmed ahead of a scheduled broadcast.","webCardHtml":"\u003cp\u003eThe overseas versions of Project Sekai: Colorful Stage! feat. Hatsune Miku are getting a crossover with Rayark's Deemo and Cytus franchises. The collaboration launches June 20, 2026, in the Simplified Chinese, Traditional Chinese, and Korean clients. A promotional video set to Deemo's 'Sairai' was posted on May 24.\u003c/p\u003e\u003cp\u003eRayark separately announced a Switch 2/Switch port of Cytus II for 2027 and confirmed that a Project Sekai collaboration would also appear in the mobile version of Cytus II during summer 2026. Whether the DEEMO×Cytus event will reach the Japanese version of Project Sekai is not yet known. The next Project Sekai broadcast is scheduled for May 27.\u003c/p\u003e","blueskyPost":"The collaboration PV for Project Sekai overseas versions uses Deemo's 'Sairai', hinting at which songs will be playable. Whether boss tracks like 'CHAOS' or 'Magnolia' appear is still unconfirmed.","twitterPost":"The collaboration PV for Project Sekai overseas versions uses Deemo's 'Sairai', hinting at song selection. Boss tracks like 'CHAOS' remain unconfirmed.","threadsPost":"The collaboration PV for Project Sekai overseas versions features Deemo's 'Sairai', pointing to likely playable songs. But whether iconic boss tracks like 'CHAOS' or 'Magnolia' make the cut is still unannounced. The selection will shape how the collab feels to longtime Rayark fans.","newsletterBlurb":"The Simplified Chinese, Traditional Chinese, and Korean versions of Project Sekai will host a DEEMO×Cytus collaboration starting June 20. A PV featuring Deemo's 'Sairai' was released. Whether the Japanese version will participate is unknown ahead of a broadcast on May 27.","attributionJson":"[{\"source\":\"Game Spark\",\"url\":\"http://www.gamespark.jp/article/2026/05/25/166849.html\",\"title\":\"Collaboration between 'Cytus' and 'Deemo' Announced for Overseas Version of 'Project Sekai'! PV Featuring 'Deemo's 'Sairai' is Emotional and Nostalgic... Details Unclear but Hopes for Boss Song Inclusion\"}]","lintFlagsJson":"[]","lintHits":0,"costUsd":0,"inputTokens":4150,"outputTokens":618,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1779826512,"createdAt":"2026-05-25T00:02:57.000Z","publishedAt":"2026-05-25T00:16:12.000Z","updatedAt":"2026-05-25T00:16:12.000Z"},"cluster":{"id":"c_6d1a7e837b784b4bac1cf853","canonicalTitle":"『Cytus』『Deemo』とのコラボが『プロセカ』海外版で告知！『Deemo』の「Sairai」流れるPVがエモくて懐かしい…詳細不明ながらボス曲収録にも期待 | Game*Spark - 国内・海外ゲーム情報サイト","representativeArticleId":"a_c944cb191b1934d446924da1","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"studios\":[],\"people\":[],\"type\":\"announcement\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-05-24T22:00:04.000Z","lastSeenAt":"2026-05-24T22:00:04.000Z","updatedAt":"2026-05-25T00:16:12.000Z"},"attribution":[{"source":"Game Spark","url":"http://www.gamespark.jp/article/2026/05/25/166849.html","title":"『Cytus』『Deemo』とのコラボが『プロセカ』海外版で告知！『Deemo』の「Sairai」流れるPVがエモくて懐かしい…詳細不明ながらボス曲収録にも期待 | Game*Spark - 国内・海外ゲーム情報サイト"}],"entities":{"anime_titles":[],"manga_titles":[],"studios":[],"people":[],"type":"announcement","domain":"games","is_roundup":false},"keyFacts":["The Simplified Chinese, Traditional Chinese, and Korean versions of Project Sekai: Colorful Stage! feat. Hatsune Miku will host a DEEMO×Cytus collaboration starting June 20, 2026.","A promotional video set to Deemo's 'Sairai' was released on May 24.","Rayark announced a Switch 2/Switch version of Cytus II for 2027.","A Project Sekai collaboration will appear in the mobile version of Cytus II during summer 2026.","Whether the DEEMO×Cytus event will reach the Japanese version of Project Sekai is not yet confirmed."]}