{"rewrite":{"id":"r_1a0dc4034169e09026f16abd","clusterId":"c_a1edb74f910fb2c3a6f4e588","slug":"virtual-guitarist-chacha-draws-attention-with-high-precision-mocap-guitar-video","model":"deepseek-v4-flash","headline":"Virtual Guitarist Chacha Draws Attention With High-Precision Mocap Guitar Video","summary":"English-speaking virtual guitarist chacha posted a motion capture video on X performing a guitar cover of \"TRUE FIREPOWER\" from Goddess of Victory: NIKKE. The 3D model reproduces left-hand chord presses, vibrato, and bending. Chacha is a member of VTuber rock band Virtual Signal, which will perform live in Los Angeles on July 2.","whyItMatters":"The video shows a VTuber handling both performance and technical setup, and the band's upcoming live debut marks a concrete step for self-produced virtual acts.","webCardHtml":"\u003cp\u003eEnglish-speaking virtual guitarist chacha posted a motion capture video on X that reproduces guitar finger movements with notable precision. The 3D model shows left-hand chord presses, vibrato, and bending while chacha performs the BGM \u0026#34;TRUE FIREPOWER\u0026#34; from the smartphone game Goddess of Victory: NIKKE. Chacha, who is listed on the official website of VTuber rock band Virtual Signal as \u0026#34;Guitar, 3D mocap specialist,\u0026#34; also set up the motion capture system used in the video. The avatar\u0026#39;s ears move in time with the performance.\u003c/p\u003e\u003cp\u003eVirtual Signal is a self-producing band whose members handle lyrics, composition, production, performance, and video work. Members include vocalist Emiliya Fell, lead guitarist StarlightDaryl, guitarist/mocap specialist chacha, and drummer/mocap specialist CoCoNo. The band released their first single \u0026#34;Enough\u0026#34; and will perform at the live event \u0026#34;Fantastic Reality: Found Futures presented by IRIAM\u0026#34; in Los Angeles on July 2. Chacha noted that audio brand Neural DSP sent a Quad Cortex amp simulator to support the band\u0026#39;s live stage.\u003c/p\u003e","blueskyPost":"Chacha's mocap video captures left-hand fingerings like chord presses and vibrato, a level of detail most guitar VTubers skip. The tech raises the bar for what counts as a live performance in 3D.","twitterPost":"Chacha's mocap reproduces individual left-hand fingerings. That precision changes what a VTuber guitar cover can show.","threadsPost":"Chacha's guitar cover video shows something most VTuber music performances avoid: the left hand. Chord presses, vibrato, and bending are all captured in 3D. For Virtual Signal's July 2 LA show, that level of detail could distinguish a mocap performance from a standard avatar lip-sync.","newsletterBlurb":"English-speaking virtual guitarist chacha posted a motion capture video on X that reproduces guitar finger movements with notable precision. Chacha is a member of VTuber rock band Virtual Signal, which will perform live in Los Angeles on July 2.","attributionJson":"[{\"source\":\"KAI-YOU\",\"url\":\"https://kai-you.net/article/95783\",\"title\":\"Guitarist VTuber \\\"chacha\\\"'s capture accuracy is too amazing: even finger movements are perfectly reproduced\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4096,"outputTokens":616,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1782555389,"createdAt":"2026-06-27T10:09:05.000Z","publishedAt":"2026-06-27T10:10:24.000Z","updatedAt":"2026-06-27T10:10:24.000Z"},"cluster":{"id":"c_a1edb74f910fb2c3a6f4e588","canonicalTitle":"ギタリスト系VTuber「chacha」のキャプチャ精度がヤバすぎる　指使いも見事に再現","representativeArticleId":"a_39c62b2d77d5d839e54fb461","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Goddess of Victory: Nikke\"],\"studios\":[],\"people\":[\"chacha\"],\"type\":\"news\",\"domain\":\"vtuber\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-06-25T05:34:00.000Z","lastSeenAt":"2026-06-25T05:34:00.000Z","updatedAt":"2026-06-27T10:10:24.000Z"},"attribution":[{"source":"KAI-YOU","url":"https://kai-you.net/article/95783","title":"ギタリスト系VTuber「chacha」のキャプチャ精度がヤバすぎる　指使いも見事に再現"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Goddess of Victory: Nikke"],"studios":[],"people":["chacha"],"type":"news","domain":"vtuber","is_roundup":false},"keyFacts":["Virtual guitarist chacha posted a motion capture video on X performing a guitar cover of 'TRUE FIREPOWER' from Goddess of Victory: NIKKE.","The 3D model reproduces left-hand chord presses, vibrato, and bending.","Chacha is a member of VTuber rock band Virtual Signal and also set up the motion capture system used in the video.","Virtual Signal will perform live in Los Angeles on July 2.","Audio brand Neural DSP sent a Quad Cortex amp simulator to support the band's live stage."]}