{"rewrite":{"id":"r_1c484838d231926188ef878c","clusterId":"c_b6e9a061c577427fa70c2995","slug":"vtuber-brand-ultralmtm-sets-six-debut-streams-for-october-5-and-6","model":"deepseek-v4-1-flash","headline":"VTuber Brand UltraLMTM Sets Six Debut Streams for October 5 and 6","summary":"GANYMEDE, which operates the esports team ZETA DIVISION, announced the visuals, profiles, and trailer for six VTubers debuting under UltraLMTM, a brand produced by ZETA DIVISION creator k4sen. The debut streams run October 5 and 6 at 19:00, three members each night, with an official stream featuring k4sen from 20:30.","whyItMatters":"A professional esports organization is building its own VTuber roster around one of its contracted streamers, which puts a competitive-gaming team directly into talent management rather than sponsorship.","webCardHtml":"\u003cp\u003eUltraLMTM is framed around a cyber exploration ship called LMTM, captained by k4sen, with the six members cast as rough gems found during a year of exploration. Two cat-shaped cyber lifeforms, Riri and Tete, handle engineering and social media duties for the project.\u003c/p\u003e\u003cp\u003eThe six debut streams are relayed across two nights on each creator\u0026#39;s YouTube channel, three per night at 19:00, 19:30, and 20:00. From 20:30 each day, the three members who streamed that night join k4sen on the UltraLMTM official channel.\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eRiina Koga Fluorite\u003c/strong\u003e: Fledgling dancer, streams October 5 at 19:00\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eAmari Mahiru\u003c/strong\u003e: Creates something daily, streams October 5 at 19:30\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eYuikawa Yuina\u003c/strong\u003e: Apprentice magician at the Magic Post Office, streams October 5 at 20:00\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eHanasake Sei\u003c/strong\u003e: Manager of the drinkable flower shop bloom drop, streams October 6 at 19:00\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eWashimi Daisho\u003c/strong\u003e: Former sheltered son of the Washimi family, streams October 6 at 19:30\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eYachiyo Chiu\u003c/strong\u003e: Self-proclaimed dragon clan head, streams October 6 at 20:00\u003c/li\u003e\u003c/ul\u003e","blueskyPost":"UltraLMTM's debut pairs six VTubers with a producer whose following is in gaming, not anime idol culture. k4sen's audience mix is the experiment here, not the debut date.","twitterPost":"UltraLMTM debuts six VTubers through k4sen, a gaming creator. The audience crossover is the test, not the October 5 date.","threadsPost":"UltraLMTM's six VTubers debut under k4sen, whose following sits in gaming and esports. The debut streams split three per night, but the audience crossover from that base into VTuber culture is the test GANYMEDE is running.","newsletterBlurb":"GANYMEDE announced the visuals and profiles for six VTubers debuting under UltraLMTM, a brand produced by ZETA DIVISION creator k4sen. The debut streams run October 5 and 6, three members each night at 19:00, followed by an official stream with k4sen from 20:30.","attributionJson":"[{\"source\":\"Inside\",\"url\":\"https://www.inside-games.jp/article/2026/10/05/188784.html\",\"title\":\"New VTuber Group \\\"UltraLMTM\\\" Debut Streams Coming Soon! Six Members Produced by Popular Streamer k4sen Finally Revealed - Starting October 5 and 6 at 19:00\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4798,"outputTokens":854,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791266230,"createdAt":"2026-10-06T05:51:27.000Z","publishedAt":"2026-10-06T05:56:07.000Z","updatedAt":"2026-10-06T05:56:07.000Z"},"cluster":{"id":"c_b6e9a061c577427fa70c2995","canonicalTitle":"新VTuberグループ「UltraLMTM」デビュー配信はもうすぐ！  人気配信者・k4senプロデュースの6名がいよいよお披露目ー10月5日・6日の19時から開始","representativeArticleId":"a_df42e8948cbb1d75af3dc933","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"UltraLMTM\"],\"studios\":[],\"people\":[\"k4sen\"],\"type\":\"announcement\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-05T08:10:03.000Z","lastSeenAt":"2026-10-05T08:10:03.000Z","updatedAt":"2026-10-06T05:56:07.000Z"},"attribution":[{"source":"Inside","url":"https://www.inside-games.jp/article/2026/10/05/188784.html","title":"新VTuberグループ「UltraLMTM」デビュー配信はもうすぐ！  人気配信者・k4senプロデュースの6名がいよいよお披露目ー10月5日・6日の19時から開始"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["UltraLMTM"],"studios":[],"people":["k4sen"],"type":"announcement","domain":"vtuber","is_roundup":false},"keyFacts":null}