{"rewrite":{"id":"r_59b51713317e57e83979db43","clusterId":"c_b853dd9b65744c9cb6f324d6","slug":"planetary-scientist-vtuber-madoka-hoshimi-gets-3d-model-reveal-stream","model":"deepseek-v4-flash","headline":"Planetary Scientist VTuber Madoka Hoshimi Gets 3D Model Reveal Stream","summary":"Independent VTuber and planetary scientist Madoka Hoshimi will hold a 3D model reveal stream on YouTube on September 12 at 8:00 p.m. The stream marks the fifth anniversary of her debut. Three guests are expected to appear, though details remain unclear.","whyItMatters":"The reveal stream doubles as a fifth anniversary event for an academic VTuber who now works as a special visiting researcher at the National Astronomical Observatory of Japan.","webCardHtml":"\u003cp\u003eMadoka Hoshimi, an independent VTuber with a master\u0026#39;s degree in planetary science, will debut her 3D model during a YouTube stream on Saturday, September 12, at 8:00 p.m. The broadcast also commemorates the fifth anniversary of her streaming debut.\u003c/p\u003e\u003cp\u003eHoshimi created her X account on July 7, 2021, and started streaming on September 12 of that year. Her channel, Madoka Hoshimi\u0026#39;s Space Information Room, has 36,800 subscribers. She is part of the so-called academic VTuber group, explaining astronomical phenomena and space news under the theme of space x entertainment.\u003c/p\u003e\u003cp\u003eIn April 2025, she became a special visiting researcher at the Nobeyama Radio Observatory, part of the National Astronomical Observatory of Japan. She also contributed to the Nobeyama Observatory Exhibition and wrote a VTuber astronomy feature for Hoshi Navi magazine.\u003c/p\u003e","blueskyPost":"Madoka Hoshimi's 3D reveal lands on her fifth anniversary, turning a technical milestone into a career retrospective. Guest appearances suggest her scientist identity may be the centerpiece.","twitterPost":"Hoshimi Madoka's 3D model reveal doubles as her fifth anniversary stream, pairing a technical upgrade with a career milestone.","threadsPost":"Madoka Hoshimi's 3D model stream is timed to her fifth debut anniversary, so the reveal is as much a retrospective as a technical upgrade. With three unnamed guests, the event likely spotlights her rare planetary science expertise, a differentiator in the VTuber field.","newsletterBlurb":"Independent VTuber Madoka Hoshimi will hold a 3D model reveal stream on September 12, marking the fifth anniversary of her debut. Three guests are expected to appear. Hoshimi, a planetary scientist, is also a special visiting researcher at the National Astronomical Observatory of Japan.","attributionJson":"[{\"source\":\"KAI-YOU\",\"url\":\"https://kai-you.net/article/96458\",\"title\":\"Planetary Scientist VTuber Madoka Hoshimi Gets 3D Model, Guests to Appear in Reveal Stream\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4373,"outputTokens":567,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1788670809,"createdAt":"2026-09-06T04:54:39.000Z","publishedAt":"2026-09-06T04:59:04.000Z","updatedAt":"2026-09-06T04:59:04.000Z"},"cluster":{"id":"c_b853dd9b65744c9cb6f324d6","canonicalTitle":"惑星科学者VTuber星見まどか、3Dモデル化　お披露目配信にはゲストも出演","representativeArticleId":"a_d518ab867288374fc2f1aceb","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[\"Hoshimi Madoka\"],\"type\":\"news\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-06T04:00:00.000Z","lastSeenAt":"2026-09-06T04:00:00.000Z","updatedAt":"2026-09-06T04:59:03.000Z"},"attribution":[{"source":"KAI-YOU","url":"https://kai-you.net/article/96458","title":"惑星科学者VTuber星見まどか、3Dモデル化　お披露目配信にはゲストも出演"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":["Hoshimi Madoka"],"type":"news","domain":"vtuber","is_roundup":false},"keyFacts":null}