WEi is here! Cosmo is changing things up for TikTok Challenge Challenge and Donghan, Daehyeon, Yongha, Seokhwa, Yohan and Junseo are here to show us how it's done! @WEi tried dances from BTS, aespa and Justin Bieber and, um, absolutely nailed them! Head to TikTok to hear the songs and let us know who you think won in the comments, since they all got in the end. Stream IDENTITY:Action now!