{"rewrite":{"id":"r_18cc39c0ac1c75cd212ee769","clusterId":"c_5ac15f975cf1c699ebbfa874","slug":"castspace-debuts-vtuber-shiranami-sazame-with-voice-introduction-video","model":"deepseek-v4-1-flash","headline":"CastSpace Debuts VTuber Shiranami Sazame With Voice Introduction Video","summary":"CastSpace released a voice-equipped self-introduction video on the evening of Friday, October 9, 2026, for its newly signed VTuber Shiranami Sazame. The character is a former whale shark whose hometown is the aquarium and the electronic sea. Her planned activity is casual chat, ASMR, illustration, game streaming, and song covers, with VRChat as her base platform.","whyItMatters":"CastSpace is placing a new talent on VRChat rather than a conventional streaming setup, using a customized base body from group company U-Stella, which ties the debut to the group's avatar and VR businesses.","webCardHtml":"\u003cp\u003eShiranami Sazame, described as a former whale shark from the electronic sea, gets a self-introduction video with voice at the same time as her signing is announced. The clipped profile lists a broad-minded personality, a tail as her charm point, talking and illustration as strengths, singing as a hobby, and fish and sushi as favorite things, with nets and bitter greens on the other side. Her fan name is Keeper-san.\u003c/p\u003e\u003cp\u003eHer avatar is a customized form of the 3D model Lumia, produced and sold by U-Stella Inc., a company inside the same group as CastSpace.\u003c/p\u003e","blueskyPost":"CastSpace signed VTuber Shiranami Sazame, a former whale shark from the electronic sea. Her voice self-introduction video is out, and VRChat is set as her base of activity.","twitterPost":"CastSpace signed VTuber Shiranami Sazame, a former whale shark whose hometown is the aquarium and the electronic sea. Her voice introduction video is out, and VRChat is set as her base of activity.","threadsPost":null,"newsletterBlurb":"CastSpace signed a new VTuber, Shiranami Sazame, and released a voice-equipped self-introduction video on October 9, 2026. The character is billed as a former whale shark from the electronic sea, with casual chat, ASMR, illustration, game streaming, and song covers planned. VRChat is her base of activity, and her avatar is customized from the Lumia 3D model made by group company U-Stella Inc.","attributionJson":"[{\"source\":\"PANORA\",\"url\":\"https://panora.tokyo/archives/159749\",\"title\":\"CastSpace's New VTuber \\\"Shiranami Sazame\\\" Debuts, Voice-Equipped Self-Introduction Video Released\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4585,"outputTokens":585,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791608834,"createdAt":"2026-10-10T05:02:02.000Z","publishedAt":"2026-10-10T05:06:08.000Z","updatedAt":"2026-10-10T05:06:08.000Z"},"cluster":{"id":"c_5ac15f975cf1c699ebbfa874","canonicalTitle":"CastSpace所属の新VTuber「白波さざめ」がデビュー　ボイス付き自己紹介動画が公開","representativeArticleId":"a_841ea6f1a8c9b6a75dc31688","sourceCount":2,"writtenSourceCount":1,"writeAttempts":0,"isSolo":false,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[\"CastSpace\"],\"people\":[\"Shiranami Sazame\"],\"type\":\"announcement\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-10T04:01:08.000Z","lastSeenAt":"2026-10-10T04:01:08.000Z","updatedAt":"2026-10-10T05:06:06.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/441/4441737/?rss","title":"CastSpace所属の新VTuber「白波さざめ」がデビュー！ボイス付き自己紹介動画を公開"},{"source":"PANORA","url":"https://panora.tokyo/archives/159749","title":"CastSpace所属の新VTuber「白波さざめ」がデビュー　ボイス付き自己紹介動画が公開"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":["CastSpace"],"people":["Shiranami Sazame"],"type":"announcement","domain":"vtuber","is_roundup":false},"keyFacts":null}