{"rewrite":{"id":"r_d50c27f8ebd2235c348571b6","clusterId":"c_db8d750e4fb17d064a06de2b","slug":"masato-hayashi-announces-new-song-boso-tokyo-and-shibuya-release-party","model":"deepseek-v4-flash","headline":"Masato Hayashi Announces New Song 'Boso Tokyo' and Shibuya Release Party","summary":"Rapper Masato Hayashi will release his new song 'Boso Tokyo' digitally on July 1, 2026, as the lead single from an album due at the end of August. A 200-person limited release party will be held at club NEVERLAND in Shibuya on July 5, featuring a guerrilla appearance by the artist and a music video shown on street vision screens.","whyItMatters":"The release marks Hayashi's first major single since his runner-up finish on 'RAPSTAR 2025' and follows the viral success of his song 'HIROYUKI,' which has surpassed 3 million views.","webCardHtml":"\u003cp\u003eMasato Hayashi, who rose to prominence as the runner-up on ABEMA\u0026#39;s rapper discovery audition program \u0026#39;RAPSTAR 2025,\u0026#39; will release his new song \u0026#39;Boso Tokyo\u0026#39; digitally on July 1, 2026. The track is the lead single from an album scheduled for the end of August. The music video for his performance song \u0026#39;HIROYUKI\u0026#39; has surpassed 3 million views, and his earlier track \u0026#39;Ain\u0026#39;t No Love\u0026#39; reached No. 1 on YouTube\u0026#39;s high-ranking chart.\u003c/p\u003e\u003cp\u003eTo commemorate the release, Hayashi will hold a 200-person limited release party at club NEVERLAND in Shibuya on July 5. The event will include the first performance of \u0026#39;Boso Tokyo\u0026#39; and a participatory project where attendees write feelings or dreams on \u0026#39;flags.\u0026#39; The music video will also be shown on Shibuya\u0026#39;s street vision screens, and Hayashi himself will make a guerrilla appearance on the streets to distribute limited T-shirts.\u003c/p\u003e","blueskyPost":"Masato Hayashi drops new song 'Boso Tokyo' July 1, with a 200-person release party in Shibuya on July 5. The track is the lead single from his August album.","twitterPost":"Masato Hayashi drops new song 'Boso Tokyo' July 1, with a 200-person release party in Shibuya on July 5. The track is the lead single from his August album.","threadsPost":null,"newsletterBlurb":"Masato Hayashi, runner-up on 'RAPSTAR 2025,' will release his new song 'Boso Tokyo' on July 1 as the lead single from an August album. A 200-person limited release party will be held at club NEVERLAND in Shibuya on July 5, featuring a guerrilla appearance and street vision screenings.","attributionJson":"[{\"source\":\"KAI-YOU\",\"url\":\"https://kai-you.net/article/95731\",\"title\":\"Rapper Masato Hayashi to Release New Song 'Boso Tokyo,' 200-Person Limited Release Party in Shibuya\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4153,"outputTokens":639,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1782002963,"createdAt":"2026-06-21T00:42:43.000Z","publishedAt":"2026-06-21T00:47:20.000Z","updatedAt":"2026-06-21T00:47:20.000Z"},"cluster":{"id":"c_db8d750e4fb17d064a06de2b","canonicalTitle":"ラッパーMasato Hayashi、新曲「暴走東京」配信へ　渋谷で200人限定リリースパーティも開催","representativeArticleId":"a_e73cfa0b0681d07c8330b9f7","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"暴走東京\"],\"studios\":[],\"people\":[\"Masato Hayashi\"],\"type\":\"release\",\"domain\":\"music\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-06-21T00:00:00.000Z","lastSeenAt":"2026-06-21T00:00:00.000Z","updatedAt":"2026-06-21T00:47:20.000Z"},"attribution":[{"source":"KAI-YOU","url":"https://kai-you.net/article/95731","title":"ラッパーMasato Hayashi、新曲「暴走東京」配信へ　渋谷で200人限定リリースパーティも開催"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["暴走東京"],"studios":[],"people":["Masato Hayashi"],"type":"release","domain":"music","is_roundup":false},"keyFacts":["Masato Hayashi will release his new song 'Boso Tokyo' digitally on July 1, 2026, as the lead single from an album due at the end of August.","Hayashi's earlier track 'HIROYUKI' has surpassed 3 million views on YouTube.","Hayashi's song 'Ain't No Love' reached No. 1 on YouTube's high-ranking chart.","Hayashi was the runner-up on ABEMA's rapper discovery audition program 'RAPSTAR 2025.'"]}