{"rewrite":{"id":"r_d02033d633063d9a1acdcca8","clusterId":"c_cd62b5454b7d5419aefed021","slug":"project-sekai-holds-hatsune-miku-anniversary-event","model":"deepseek-v4-flash","headline":"Project Sekai Holds Hatsune Miku Anniversary Event","summary":"Sega and Colorful Palette are holding the anniversary event HAPPY ANNIVERSARY Hatsune Miku 2026 in Project Sekai Colorful Stage! feat. Hatsune Miku for iOS and Android. Players can gather Festival Amatsuyu, craft anniversary furniture, and hold birthday parties. On August 31, an in-game live runs 24 sessions with participation rewards, and two anniversary gacha banners are available.","whyItMatters":"The event ties the game's anniversary celebration directly to Hatsune Miku's own anniversary date, with limited furniture, a live, and gacha all running in the same week.","webCardHtml":"\u003cp\u003eThe HAPPY ANNIVERSARY Hatsune Miku 2026 event started August 28 in Project Sekai Colorful Stage! feat. Hatsune Miku. Players collect Festival Amatsuyu (Blue-Green) to pour into the Celebration Tree in MySekai\u0026#39;s Festival Garden, earning Miku\u0026#39;s Celebration Flower for crafting anniversary-limited furniture like the Anniversary Cake (Miku).\u003c/p\u003e\u003cp\u003eOn August 31, the virtual live HAPPY ANNIVERSARY Live Miku 2026 runs 24 hourly sessions, with first-time participants receiving 2 Miku vocal cards, 1 Miku\u0026#39;s Feelings Bottle, and 100 Miku\u0026#39;s Feelings Fragments. Two gacha banners, HAPPY ANNIVERSARY 2026 and HAPPY ANNIVERSARY Memories, feature a new anniversary-limited Hatsune Miku member.\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eFestival Amatsuyu (Blue-Green)\u003c/strong\u003e: obtainable August 28 to August 30\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eMiku\u0026#39;s Celebration Flower\u003c/strong\u003e: obtainable August 28 to September 2, used for birthday-limited furniture\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eBirthday parties\u003c/strong\u003e: held August 31 to September 2\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eHAPPY ANNIVERSARY Live Miku 2026\u003c/strong\u003e: 24 hourly sessions starting at 0:00 on August 31\u003c/li\u003e\u003cli\u003e\u003cstrong\u003e[Hatsune Miku] HAPPY ANNIVERSARY 2026 Gacha\u003c/strong\u003e: runs August 27 to September 2, features new anniversary-limited Hatsune Miku\u003c/li\u003e\u003cli\u003e\u003cstrong\u003e[Hatsune Miku] HAPPY ANNIVERSARY Memories Gacha\u003c/strong\u003e: runs August 27 to September 2\u003c/li\u003e\u003c/ul\u003e","blueskyPost":"Project Sekai's anniversary event turns player effort into a shared calendar: Festival Amatsuyu, furniture crafting, and a 24-session live on August 31 all feed the same anniversary economy.","twitterPost":"Project Sekai's anniversary event ties collection, crafting, and a 24-session live into one shared calendar.","threadsPost":"Project Sekai's anniversary event is less a single celebration than a coordinated system: Festival Amatsuyu, anniversary furniture, birthday parties, and a 24-session live on August 31 all run on the same timer. Players who miss the window lose the furniture and the gacha pulls.","newsletterBlurb":"Project Sekai Colorful Stage! feat. Hatsune Miku is celebrating with the HAPPY ANNIVERSARY Hatsune Miku 2026 event. Players can craft anniversary furniture, earn titles, and join an in-game live with rewards on August 31, while two gacha banners feature a new anniversary Hatsune Miku.","attributionJson":"[{\"source\":\"4Gamer.net\",\"url\":\"https://www.4gamer.net/games/476/G047609/20260828028/\",\"title\":\"\\\"Project Sekai\\\" to Hold Anniversary Event \\\"HAPPY ANNIVERSARY Hatsune Miku 2026\\\"\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4822,"outputTokens":874,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1787934592,"createdAt":"2026-08-28T16:18:55.000Z","publishedAt":"2026-08-28T16:21:45.000Z","updatedAt":"2026-08-28T16:18:55.000Z"},"cluster":{"id":"c_cd62b5454b7d5419aefed021","canonicalTitle":"「プロセカ」，アニバーサリーベント「HAPPY ANNIVERSARY 初音ミク 2026」を開催","representativeArticleId":"a_bce91979811e4763bd3e4739","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Hatsune Miku: Colorful Stage!\"],\"studios\":[\"Sega\"],\"people\":[],\"type\":\"event\",\"domain\":\"games\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-08-28T05:40:02.000Z","lastSeenAt":"2026-08-28T05:40:02.000Z","updatedAt":"2026-08-28T16:21:46.000Z"},"attribution":[{"source":"4Gamer.net","url":"https://www.4gamer.net/games/476/G047609/20260828028/","title":"「プロセカ」，アニバーサリーベント「HAPPY ANNIVERSARY 初音ミク 2026」を開催"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Hatsune Miku: Colorful Stage!"],"studios":["Sega"],"people":[],"type":"event","domain":"games","is_roundup":false},"keyFacts":null}