NEXZ(넥스지) "Mmchk" Performance Video Teaser 📌Listen to "Mmchk" https://NEXZ.lnk.to/Mmchk NEXZ Official Website: https://nexz.jype.com NEXZ Official YouTube: https://www.youtube.com/@NEXZ_official NEXZ Official Facebook: https://www.facebook.com/realnexz NEXZ Official X: https://twitter.com/NEXZ_official NEXZ Official Instagram: https://www.instagram.com/real_nexz/ NEXZ Official TikTok: https://www.tiktok.com/@nexz_official #NEXZ #Mmchk #NEXZ_Mmchk Copyrights 2026 ⓒJYP Entertainment / Sony Music Labels Inc.