{"rewrite":{"id":"r_fdf11e2261051039fc955889","clusterId":"c_6e08502e67d73662073d90c1","slug":"proseka-6th-anniversary-festival-opens-at-tokyo-metropolitan-gymnasium","model":"deepseek-v4-1-flash","headline":"Proseka 6th Anniversary Festival Opens at Tokyo Metropolitan Gymnasium","summary":"The Project Sekai 6th Anniversary Thanksgiving Festival ran October 3 and 4, 2026, at Tokyo Metropolitan Gymnasium. Day one, October 3, held the Project Sekai Championship 2026. The broadcast station special that aired just before the performance announced the main story will conclude around early 2028, after which the story will develop along two axes, After Story and Another Story.","whyItMatters":"The ending date for the main story turns the anniversary event into a transition point: the game is now telling its audience what comes after the current narrative closes.","webCardHtml":"\u003cp\u003eThe broadcast station special that ran immediately before the performance carried the announcement: the main story will conclude around early 2028, and the story will then develop along two axes, After Story and Another Story. Around the venue, merchandise, a piapro wall for visitor messages and illustrations, life-size character panels, and celebration boards from cast members and creators drew lines, including at the corner for photos with the key visual. The audience of about 8,000 cheered when Sato shouted that they had made it to such a big place for the 6th anniversary.\u003c/p\u003e","blueskyPost":"Project Sekai's 6th Anniversary Thanksgiving Festival ran Oct 3-4 at Tokyo Metropolitan Gymnasium. The special aired before day one announced the main story will conclude around early 2028, followed by After Story and Another Story.","twitterPost":"Proseka's 6th Anniversary Thanksgiving Festival ran Oct 3-4 at Tokyo Metropolitan Gymnasium. The special before day one announced the main story will conclude around early 2028, then develop along After Story and Another Story.","threadsPost":null,"newsletterBlurb":"The Project Sekai 6th Anniversary Thanksgiving Festival ran October 3 and 4 at Tokyo Metropolitan Gymnasium, with the Project Sekai Championship 2026 on day one. The special that aired before the performance announced the main story will conclude around early 2028, after which the story moves along After Story and Another Story.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/476/G047609/20261013025/\",\"title\":\"A stunning solo medley also performed! A report on the first day of the \\\"Project Sekai 6th Anniversary Thanksgiving Festival,\\\" celebrating the present after six years\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4770,"outputTokens":555,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792039945,"createdAt":"2026-10-15T04:47:36.000Z","publishedAt":"2026-10-15T04:51:06.000Z","updatedAt":"2026-10-15T04:51:06.000Z"},"cluster":{"id":"c_6e08502e67d73662073d90c1","canonicalTitle":"圧巻のソロメドレーも披露！　6年の歳月を重ねた今を祝う「プロジェクトセカイ 6th Anniversary 感謝祭」初日レポート","representativeArticleId":"a_2cb16ef964e0457b7a20393e","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Project Sekai: Colorful Stage! feat. Hatsune Miku\"],\"studios\":[],\"people\":[],\"type\":\"event\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-15T03:41:23.000Z","lastSeenAt":"2026-10-15T03:41:23.000Z","updatedAt":"2026-10-15T04:51:08.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/476/G047609/20261013025/","title":"圧巻のソロメドレーも披露！　6年の歳月を重ねた今を祝う「プロジェクトセカイ 6th Anniversary 感謝祭」初日レポート"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Project Sekai: Colorful Stage! feat. Hatsune Miku"],"studios":[],"people":[],"type":"event","domain":"games","is_roundup":false},"keyFacts":null}