P1Harmony - Keeho, Theo, Jiung, Intak, Soul, and Jongseob - are amazing perfmormers but they weren't all too excited about taking on Cosmo's TikTok Challenge Challenge. Watch more TikTok Challenge Challenge https://www.youtube.com/watch?v=jqCxDk0qQvE&list=PLrx4fxhgMUOayMpvA8bt2rnieMzvJwftb

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