Some clips reportedly showing Martin performing a REDRED demo

Sure enough, songwriting gets even better after a breakup.

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[Live Report🔍] CORTIS Didi – 🚨 Maximum red blood concentration in the bloodstream 🔥 Behind-the-scene

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CORTIS’s track “ACAI” music video is now available.

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【CORTIS】 'FaSHioN' (CORTIS SEONGHYEON Fan Cam)

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CORTIS 2026 Ruffles All-Star Celebrity Game Halftime Show – Full Version 260214

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“KPOP Playlist” CORTIS Playlist | Debut Album “COLOR OUTSIDE THE LINES” | Bilingual | MV Listening &

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iHeartRadio LIVE behind

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TF Fourth Generation [FaSHioN] cha

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【CORTIS】Dance Practice 'TNT' Dance Practice (Fix ver.) @260508

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CORTIS makes a comeback with the title tracks “Wassup” and “Blue Lips” for their first stage.

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Seonghyeon

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[Outdoor Vertical Live Cam] 'REDRED' (CORTIS Yeom Seong-hyeon / SEONGHYEON Fancam) 260508

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[4K] 20260420 YCC - CORTIS Eom Seong-hyeon / SEONGHYEON FOCUS CAM – release party @Noris

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【CORTIS】“You know what it is, right?”

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[Practice Room] CORTIS 'REDRED' Dance Practice (Fix ver.) | Kim Ju-hoon focus

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CORTIS full straight-shot 8K ‘REDRED’ (CORTIS Fan Cam) - 2026.4.23

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kitchen live

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[IDOLS reaction] RIIZE + Allday Project... reacting to EXO’s 2025 MMA stage

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CORTIS’s today’s comeback stage performance of “TNT” 260510

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【AI COVER】CORTIS 'Never Let Go (LNGSHOT)'

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