{"rewrite":{"id":"r_a5617fa54b02446b66cfb59d","clusterId":"c_20dc6e97b065a2c56b61cfe3","slug":"project-sekai-releases-full-size-2dmv-for-hide-and-seek-sekai-ver","model":"deepseek-v4-flash:free","headline":"Project Sekai Releases Full-Size 2DMV for Hide and Seek Sekai Ver.","summary":"Sega and Colorful Palette released the full-size 2DMV for Hide and Seek Sekai Ver. on the official Project Sekai YouTube channel on August 21, 2026. The video features Hatsune Miku and Leo/need singing the song, which was written and composed by 19 -iku-. Hide and Seek is available as a rhythm game song through Music Cards at the Music Shop in Project Sekai: Colorful Stage! feat. Hatsune Miku for iOS and Android.","whyItMatters":"The full-size 2DMV release gives Leo/need and Hatsune Miku's rendition of Hide and Seek a standalone video beyond the in-game rhythm track, expanding the song's presence on the official YouTube channel.","webCardHtml":"\u003cp\u003eThe full-size 2DMV for Hide and Seek Sekai Ver. went up on the official Project Sekai YouTube channel on August 21, 2026. Sega and Colorful Palette released the video for the iOS and Android rhythm game Project Sekai: Colorful Stage! feat. Hatsune Miku.\u003c/p\u003e\u003cp\u003eThe Sekai Ver. is sung by Hatsune Miku and Leo/need, with lyrics and composition by 19 -iku-. In the game, Hide and Seek can be played as a rhythm song by trading a Music Card at the Music Shop. The video release gives players a full look at the track outside the game client.\u003c/p\u003e","blueskyPost":"Project Sekai's full MV for Hide and Seek Sekai Ver. pairs Miku with Leo/need, but the credit goes to 19 -iku-. The track's shop availability via Music Cards keeps it a deliberate, unlockable addition rather than a limited event.","twitterPost":"Project Sekai's Hide and Seek Sekai Ver. MV centers Leo/need and Miku, with 19 -iku- handling both lyrics and composition.","threadsPost":"Project Sekai released the full-size 2DMV for Hide and Seek Sekai Ver., featuring Hatsune Miku and Leo/need. The track is a permanent rhythm game song purchasable through Music Cards at the Music Shop, so it is not tied to a limited-time event.","newsletterBlurb":"Sega and Colorful Palette dropped the full-size 2DMV for Hide and Seek Sekai Ver. on the official Project Sekai YouTube channel. The video features Hatsune Miku and Leo/need performing the 19 -iku- song, which is also available as a rhythm track via Music Cards.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/476/G047609/20260821052/\",\"title\":\"Project Sekai Releases Full-Size 2DMV for Sekai Ver. of Hide and Seek\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4257,"outputTokens":625,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1787336512,"createdAt":"2026-08-21T18:13:21.000Z","publishedAt":"2026-08-21T18:16:44.000Z","updatedAt":"2026-08-21T18:13:21.000Z"},"cluster":{"id":"c_20dc6e97b065a2c56b61cfe3","canonicalTitle":"「プロセカ」，セカイver.「ハイドアンド・シーク」のフルサイズ2DMVを公開","representativeArticleId":"a_d5d10b591e910416666484f8","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Project SEKAI: Colorful Stage! feat. Hatsune Miku\",\"Hide and Seek\"],\"studios\":[\"Sega\"],\"people\":[],\"type\":\"news\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-08-21T10:55:21.000Z","lastSeenAt":"2026-08-21T10:55:21.000Z","updatedAt":"2026-08-21T18:16:45.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/476/G047609/20260821052/","title":"「プロセカ」，セカイver.「ハイドアンド・シーク」のフルサイズ2DMVを公開"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Project SEKAI: Colorful Stage! feat. Hatsune Miku","Hide and Seek"],"studios":["Sega"],"people":[],"type":"news","domain":"games","is_roundup":false},"keyFacts":null}