{"rewrite":{"id":"r_d5c5f7d1c687435d82a26df5","clusterId":"c_407afda23ffa459d833841ed","slug":"shunta-sono-cast-as-dark-hero-kamen-rider-mugen-in-zetts-summer-movie","model":"deepseek-v4-flash","headline":"Shunta Sono Cast as Dark Hero Kamen Rider Mugen in Zetts Summer Movie","summary":"M!LK member Shunta Sono will appear in the July 24 double-feature film \"Kamen Rider Zetts \u0026 Super Space Sheriff Gavan Infinity W Hero Summer Movie 2026\" as Shuma Kumon, who transforms into Kamen Rider Mugen. Kumon is the cousin of Nox and uses a sword in combat. Sono received swordsmanship training and advice from fellow M!LK member Jutaro Yamanaka, who previously appeared in Kamen Rider Gotchard.","whyItMatters":"Sono's casting as a dark hero cousin to an established Rider expands the Zetts family drama while marking the first Kamen Rider role for the M!LK member, who trained in swordsmanship for the part.","webCardHtml":"\u003cp\u003eShunta Sono, a member of the dance-vocal group M!LK, will appear in the upcoming summer movie for the tokusatsu series Kamen Rider Zetts. He plays Shuma Kumon, a young elite serving as Chairman of the National Public Safety Commission who secretly remakes the real world into a daydream realm and controls people's consciousness. Kumon loads the Daydream Capsule into the Mugen Driver to transform into Kamen Rider Mugen, a dark hero who opposes protagonist Manatsu Kume.\u003c/p\u003e\u003cp\u003eKumon is the cousin of Nox, played by Yuki Furukawa, and schemes to draw him in. Sono, who practiced swordsmanship for the role, said he discussed the transformation pose extensively with the director. He also received advice from M!LK member Jutaro Yamanaka, who appeared in Kamen Rider Gotchard. The double-feature film, pairing Kamen Rider Zetts with Super Space Sheriff Gavan Infinity, opens July 24.\u003c/p\u003e","blueskyPost":"M!LK's Shunta Sono joins Kamen Rider Zetts summer movie as Shuma Kumon, who transforms into dark hero Kamen Rider Mugen. He's the cousin of Nox. Film opens July 24.","twitterPost":"M!LK's Shunta Sono cast as dark hero Kamen Rider Mugen in Kamen Rider Zetts summer movie. He plays Shuma Kumon, cousin of Nox. Film opens July 24.","threadsPost":null,"newsletterBlurb":"M!LK member Shunta Sono will appear in the Kamen Rider Zetts summer movie as Shuma Kumon, who transforms into Kamen Rider Mugen. He is the cousin of Nox and uses a sword in combat. The double-feature film with Super Space Sheriff Gavan Infinity opens July 24.","attributionJson":"[{\"source\":\"Eiga Natalie\",\"url\":\"https://natalie.mu/eiga/news/672163\",\"title\":\"M!LK's Shunta Sono Transforms into Kamen Rider Mugen! Appears in Kamen Rider Zetts Summer Movie, Cousin of Nox (with Comments)\"}]","lintFlagsJson":"[]","lintHits":0,"costUsd":0,"inputTokens":4536,"outputTokens":659,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1779827336,"createdAt":"2026-05-17T00:01:32.000Z","publishedAt":"2026-05-17T00:15:48.000Z","updatedAt":"2026-05-17T00:15:48.000Z"},"cluster":{"id":"c_407afda23ffa459d833841ed","canonicalTitle":"M!LK曽野舜太が仮面ライダー夢現に変身！ゼッツ夏映画に出演、ノクスとは従兄弟（コメントあり）","representativeArticleId":"a_4415dec4c34418ae6bdea78f","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"studios\":[],\"people\":[\"曽野舜太\",\"今井竜太郎\"],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-05-16T22:00:00.000Z","lastSeenAt":"2026-05-16T22:00:00.000Z","updatedAt":"2026-05-18T15:43:22.000Z"},"attribution":[{"source":"Eiga Natalie","url":"https://natalie.mu/eiga/news/672163","title":"M!LK曽野舜太が仮面ライダー夢現に変身！ゼッツ夏映画に出演、ノクスとは従兄弟（コメントあり）"}],"entities":{"anime_titles":[],"manga_titles":[],"studios":[],"people":["曽野舜太","今井竜太郎"],"type":"news","domain":"other","is_roundup":false},"keyFacts":["Shunta Sono, a member of the dance-vocal group M!LK, plays Shuma Kumon in the July 24 double-feature film 'Kamen Rider Zetts \u0026 Super Space Sheriff Gavan Infinity W Hero Summer Movie 2026'.","Kumon transforms into Kamen Rider Mugen, a dark hero who opposes protagonist Manatsu Kume, by loading the Daydream Capsule into the Mugen Driver.","Kumon is the cousin of Nox, played by Yuki Furukawa, and secretly remakes the real world into a daydream realm while controlling people's consciousness.","Sono practiced swordsmanship for the role and received advice from fellow M!LK member Jutaro Yamanaka, who appeared in Kamen Rider Gotchard.","The film pairs Kamen Rider Zetts with Super Space Sheriff Gavan Infinity and opens July 24."]}