{"rewrite":{"id":"r_4a945f5bb37c29365431f1f3","clusterId":"c_3ef17ae818c2a4bce1f9132f","slug":"elderly-vtuber-meta-grandma-hiroko-turns-88-marks-milestone-with-yakiniku-video","model":"deepseek-v4-flash:free","headline":"Elderly VTuber Meta Grandma Hiroko Turns 88, Marks Milestone With Yakiniku Video","summary":"Elderly VTuber Meta Grandma Hiroko has reached age 88. OTAGROUP Inc. announced the milestone on August 18, which is Rice Day in Japan. A commemorative video shows family members celebrating her birthday over yakiniku. The company withholds her actual birthday to prevent fraud targeting the elderly. Hiroko debuted in December 2022 at age 84 and currently has 75,000 YouTube subscribers.","whyItMatters":"The announcement confirms the Meta Grandma project continues operating with eight members, positioning Hiroko's age milestone as proof that elderly creators can sustain a VTuber career.","webCardHtml":"\u003cp\u003eOTAGROUP Inc. announced that elderly VTuber Meta Grandma Hiroko has safely reached age 88, with the milestone celebrated on August 18, which is also Rice Day in Japan. The company posted a commemorative video showing family members gathering for a yakiniku meal to mark her 88th birthday.\u003c/p\u003e\u003cp\u003eThe actual date of her birthday is withheld from the public. OTAGROUP said this is a deliberate measure to prevent fraud targeting the elderly.\u003c/p\u003e\u003cp\u003eHiroko, from Mihara City in Hiroshima Prefecture, debuted as the first generation member of the Meta Grandma project in December 2022 at age 84. Her YouTube channel passed 30,000 subscribers within 10 days of debut and now sits at 75,000. The project currently operates with eight members.\u003c/p\u003e","blueskyPost":"Meta Grandma Hiroko's 88th birthday video doubles as a security measure: OTAGROUP hides her real birthday to shield her from fraud targeting the elderly.","twitterPost":"OTAGROUP hides Meta Grandma Hiroko's real birthday to prevent fraud targeting elderly viewers.","threadsPost":"Meta Grandma Hiroko turned 88 on Rice Day, but the milestone video serves a security purpose: OTAGROUP withholds her actual birthday to prevent fraud aimed at elderly fans.","newsletterBlurb":"Meta Grandma Hiroko, the elderly VTuber from Hiroshima, has turned 88. OTAGROUP announced the milestone on August 18 with a family yakiniku video, keeping her real birthday private to prevent fraud. She debuted at 84 and the project now runs eight members.","attributionJson":"[{\"source\":\"PANORA\",\"url\":\"https://panora.tokyo/archives/153140\",\"title\":\"Elderly VTuber 'Meta Grandma' Hiroko Turns 88, Announces 88th Birthday on 8/18 (Rice Day)\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4398,"outputTokens":636,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1787067334,"createdAt":"2026-08-18T15:30:49.000Z","publishedAt":"2026-08-18T15:31:44.000Z","updatedAt":"2026-08-18T15:30:49.000Z"},"cluster":{"id":"c_3ef17ae818c2a4bce1f9132f","canonicalTitle":"後期高齢者VTuber「メタばあちゃん」ひろこが88歳に　8/18（米の日）に米寿になったことを報告","representativeArticleId":"a_80ae479a2de8eb9afa817a24","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[\"ひろこ\"],\"type\":\"news\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-08-18T03:02:23.000Z","lastSeenAt":"2026-08-18T03:02:23.000Z","updatedAt":"2026-08-18T15:31:45.000Z"},"attribution":[{"source":"PANORA","url":"https://panora.tokyo/archives/153140","title":"後期高齢者VTuber「メタばあちゃん」ひろこが88歳に　8/18（米の日）に米寿になったことを報告"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":["ひろこ"],"type":"news","domain":"vtuber","is_roundup":false},"keyFacts":null}