{"rewrite":{"id":"r_874261a91d299aa676608316","clusterId":"c_10f4df60b0c5d1e1444a819e","slug":"project-sekai-adds-satsuki-haraguchi-s-hoshi-wo-sagashite-as-rhythm-game-song","model":"deepseek-v4-1-flash","headline":"Project Sekai Adds Satsuki Haraguchi's Hoshi wo Sagashite ♭♭ as Rhythm Game Song","summary":"Sega and Colorful Palette added Satsuki Haraguchi's newly written song \"Hoshi wo Sagashite ♭♭\" to the iOS and Android rhythm and adventure game Project Sekai: Colorful Stage! feat. Hatsune Miku on November 8, 2026. The song is a unit song for Megurine Luka and 25-ji, Nightcord de., and any player can claim it from the in-game Present menu. 3DMV and 2DMV versions are on the official Project Sekai YouTube channel.","whyItMatters":"The addition gives 25-ji, Nightcord de. a new song written by Satsuki Haraguchi, and the simultaneous 3DMV and 2DMV release puts the track on the game's YouTube channel at the same time it becomes playable in-game.","webCardHtml":"\u003cp\u003eThe song is credited to Satsuki Haraguchi for both lyrics and music. It is performed as a unit song by Megurine Luka and 25-ji, Nightcord de., and distribution is handled through the Present menu rather than a limited or paid unlock, so any player can claim it.\u003c/p\u003e\u003cp\u003eSega and Colorful Palette announced the addition on November 9, 2026, a day after the song went live in the game on November 8. The 3DMV and 2DMV are both streaming on the official Project Sekai YouTube channel.\u003c/p\u003e","blueskyPost":"Hoshi wo Sagashite ♭♭ is a Megurine Luka and 25-ji, Nightcord de. unit song, and it is claimable from the Present menu by any Project Sekai player, so the unit framing does not gate access.","twitterPost":"Project Sekai made Hoshi wo Sagashite ♭♭ a Megurine Luka and 25-ji, Nightcord de. unit song, yet any player claims it from the Present menu.","threadsPost":"Hoshi wo Sagashite ♭♭ carries a Megurine Luka and 25-ji, Nightcord de. unit credit, but Project Sekai puts it in the Present menu for every player. The unit label frames the song's identity while the delivery method keeps it from being locked to that unit's fans.","newsletterBlurb":"Project Sekai added \"Hoshi wo Sagashite ♭♭\" as a rhythm game song on November 8, 2026. Satsuki Haraguchi wrote the lyrics and music, and the track is a unit song by Megurine Luka and 25-ji, Nightcord de. that any player can claim from the Present menu. Sega and Colorful Palette also put 3DMV and 2DMV versions on the official YouTube channel.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/476/G047609/20261109014/\",\"title\":\"Project Sekai adds \\\"Hoshi wo Sagashite ♭♭\\\" as a rhythm game song; 3DMV and 2DMV also released\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5222,"outputTokens":861,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1794201566,"createdAt":"2026-11-09T05:15:32.000Z","publishedAt":"2026-11-09T05:17:26.000Z","updatedAt":"2026-11-09T05:17:26.000Z"},"cluster":{"id":"c_10f4df60b0c5d1e1444a819e","canonicalTitle":"「プロセカ」，星を探して♭♭をリズム楽曲に追加。3DMV/2DMVも公開","representativeArticleId":"a_46adf8cbfc5a73e8218ff57d","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":"2026-11-09T04:42:01.000Z","lastSeenAt":"2026-11-09T04:42:01.000Z","updatedAt":"2026-11-09T05:17:26.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/476/G047609/20261109014/","title":"「プロセカ」，星を探して♭♭をリズム楽曲に追加。3DMV/2DMVも公開"}],"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":["Sega and Colorful Palette added \"Hoshi wo Sagashite ♭♭\" to Project Sekai: Colorful Stage! feat. Hatsune Miku on November 8, 2026.","Satsuki Haraguchi wrote the lyrics and music for \"Hoshi wo Sagashite ♭♭\".","The song is a unit song by Megurine Luka and 25-ji, Nightcord de.","Players can claim the song from the in-game Present menu.","3DMV and 2DMV versions are on the official Project Sekai YouTube channel."],"pageLinks":{"healthSlugs":["project-sekai-colorful-stage-feat-hatsune-miku","sega"],"storySlugs":[],"entities":[{"slug":"project-sekai-colorful-stage-feat-hatsune-miku","supported":12,"disputed":0,"contradicted":0,"unverified":83,"overall":"green","story_count":53,"has_dossier":false},{"slug":"sega","supported":12,"disputed":0,"contradicted":0,"unverified":98,"overall":"green","story_count":211,"has_dossier":true}],"stories":[],"entitiesOk":true,"storiesOk":true}}