{"rewrite":{"id":"r_f82344a02b0769fba34476d7","clusterId":"c_a9f9a093312e581ea422579c","slug":"sena-launches-solo-project-sets-november-11-single","model":"deepseek-v4-1-flash","headline":"SENA Launches Solo Project, Sets November 11 Single","summary":"SENA, active in the idol groups Sanmyu~ and MELLOW MELLOW, launched a solo project under Fegment Inc. on October 24, 2026, with new artist photos released. Her first digital single, \"Midnight Showtime,\" will be distributed on November 11. The song is written and composed by sailon and depicts a romance built on push and pull. SENA debuted in 2013 as Seira Niihara of Sanmyu~.","whyItMatters":"The founder of a three-member group is now releasing under her own name, and the first single is a writer-driven pop song rather than an idol-group track.","webCardHtml":"\u003cp\u003eThe project\u0026#39;s name is the artist\u0026#39;s, not a new persona: SENA launches as SENA, through Fegment Inc. New artist photos accompanied the announcement. The single arrives digitally, written and composed by sailon, and the release page is already live. Before this, SENA\u0026#39;s public work ran through groups: Sanmyu~ from 2013, then MELLOW MELLOW, formed in 2017 with MAMI and HINA and major-debuting in 2018. MELLOW MELLOW held its last one-man live in June 2025.\u003c/p\u003e","blueskyPost":"SENA's solo move keeps her inside Sanmyu~ and MELLOW MELLOW rather than leaving either. 'Midnight Showtime' arrives as the third outlet, not a replacement.","twitterPost":"SENA's solo project runs alongside Sanmyu~ and MELLOW MELLOW. 'Midnight Showtime' adds a third outlet, not an exit.","threadsPost":"SENA is launching solo while still active in Sanmyu~ and MELLOW MELLOW. 'Midnight Showtime' reads as a third outlet rather than a departure, which keeps both groups' futures tied to how the single lands.","newsletterBlurb":"SENA, known from Sanmyu~ and MELLOW MELLOW, has begun a solo project under Fegment Inc. Her first digital single, \"Midnight Showtime,\" is set for November 11, written and composed by sailon. New artist photos were released with the announcement.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/445/4445508/?rss\",\"title\":\"SENA Launches Solo Music Project, 1st Digital Single \\\"Midnight Showtime\\\" to Release on November 11\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4540,"outputTokens":555,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792896743,"createdAt":"2026-10-25T02:46:36.000Z","publishedAt":"2026-10-25T02:51:13.000Z","updatedAt":"2026-10-25T02:51:13.000Z"},"cluster":{"id":"c_a9f9a093312e581ea422579c","canonicalTitle":"SENA、ソロ音楽プロジェクト始動！1stデジタルシングル「Midnight Showtime」を11月11日にリリース","representativeArticleId":"a_511e10164eb0d6c368ccb489","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Midnight Showtime\"],\"studios\":[],\"people\":[\"SENA\"],\"type\":\"announcement\",\"domain\":\"music\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-24T12:00:00.000Z","lastSeenAt":"2026-10-24T12:00:00.000Z","updatedAt":"2026-10-25T02:51:20.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/445/4445508/?rss","title":"SENA、ソロ音楽プロジェクト始動！1stデジタルシングル「Midnight Showtime」を11月11日にリリース"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Midnight Showtime"],"studios":[],"people":["SENA"],"type":"announcement","domain":"music","is_roundup":false},"keyFacts":null}