{"rewrite":{"id":"r_7a970137245d4a1b943af7c3","clusterId":"c_4a2f5b5712cf4447843e5c91","slug":"nijisanji-fest-2026-s-uncharted-spheres-stage-runs-3-5-hours-with-31-songs","model":"deepseek-v4-flash","headline":"Nijisanji Fest 2026's Uncharted Spheres Stage Runs 3.5 Hours With 31 Songs","summary":"Eight Nijisanji livers performed the longest continuous music live in the agency's history at Makuhari Messe on May 15, 2026. The Uncharted Spheres stage featured 31 songs over roughly three and a half hours, with each performer representing a planet of the solar system. Berry Saotome's first 3D model reveal and solo cover of Los! Los! Los! opened the set.","whyItMatters":"The event marks Nijisanji's most extended single-stage music performance to date, showcasing a curated lineup of livers selected specifically for their music and stage focus.","webCardHtml":"\u003cp\u003eThe eight livers chosen for Uncharted Spheres were Seso, Joe Rikiichi, Chima Machita, Toko Inui, Kei Nagao, Kohaku Todo, Rai Iha, and Berry Saotome. According to an ANYCOLOR MAGAZINE staff interview cited in the report, the group consists of livers who emphasize music activities and stage expression. The stage design used a starry-sky motif, and the pre-show music was Gustav Holst's The Planets suite. The performance opened with all eight singing Sōkyū no Fanfare, the tenth-anniversary theme for Sword Art Online, while holding small planet representations in their palms. Berry Saotome, whose 3D model appeared for the first time at this event, followed immediately with a solo cover of the Youjo Senki ending theme Los! Los! Los!, backed by red lighting and real flame effects. The distribution archive remains available for purchase until May 31, 2026, with viewing until June 1, 2026.\u003c/p\u003e","blueskyPost":"Berry Saotome's first 3D live debut in Uncharted Spheres drew the loudest cheers of the opening, a signal that Nijisanji's newest generation already carries live-stage presence.","twitterPost":"Berry Saotome's first 3D live debut in Uncharted Spheres drew the loudest opening cheers, signaling Nijisanji's newest generation carries live-stage presence.","threadsPost":"Berry Saotome's first 3D live debut in Uncharted Spheres drew the loudest cheers of the opening. Her Mars-themed solo with real flames and a powerful cover of Los! Los! Los! showed a stage presence that belied her rookie status. Nijisanji's newest generation is already carrying live weight.","newsletterBlurb":"Nijisanji Fest 2026's Uncharted Spheres stage ran 31 songs across roughly three and a half hours, making it the longest continuous music live in the agency's history. Eight livers performed, each representing a planet, with Berry Saotome's first 3D model reveal and solo cover opening the set.","attributionJson":"[{\"source\":\"PANORA\",\"url\":\"https://panora.tokyo/archives/143289\",\"title\":\"8 Nijisanji Livers Passionately Sing 31 Songs in About 3.5 Hours: \\\"Uncharted Spheres\\\" Report\"}]","lintFlagsJson":"[]","lintHits":0,"costUsd":0,"inputTokens":4206,"outputTokens":649,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1779826507,"createdAt":"2026-05-25T11:04:14.000Z","publishedAt":"2026-05-25T11:16:18.000Z","updatedAt":"2026-05-25T11:16:18.000Z"},"cluster":{"id":"c_4a2f5b5712cf4447843e5c91","canonicalTitle":"8人のにじさんじのライバーが約3時間半で31曲を熱唱「Uncharted Spheres」レポート","representativeArticleId":"a_925cadcd07c2a9dcfa098ffc","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"studios\":[],\"people\":[\"社築\",\"ジョー・力一\",\"町田ち\"],\"type\":\"event\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-05-25T09:00:00.000Z","lastSeenAt":"2026-05-25T09:00:00.000Z","updatedAt":"2026-05-25T11:16:18.000Z"},"attribution":[{"source":"PANORA","url":"https://panora.tokyo/archives/143289","title":"8人のにじさんじのライバーが約3時間半で31曲を熱唱「Uncharted Spheres」レポート"}],"entities":{"anime_titles":[],"manga_titles":[],"studios":[],"people":["社築","ジョー・力一","町田ち"],"type":"event","domain":"vtuber","is_roundup":false},"keyFacts":["The Uncharted Spheres stage at Nijisanji Fest 2026 on May 15, 2026, ran for roughly 3.5 hours with 31 songs, the longest continuous music live in Nijisanji's history.","Eight Nijisanji livers performed: Seso, Joe Rikiichi, Chima Machita, Toko Inui, Kei Nagao, Kohaku Todo, Rai Iha, and Berry Saotome.","Berry Saotome's first 3D model reveal opened the set with a solo cover of Los! Los! Los! from Youjo Senki.","The pre-show music was Gustav Holst's The Planets suite, and the stage design used a starry-sky motif.","The distribution archive is available for purchase until May 31, 2026, with viewing until June 1, 2026."]}