CLC(씨엘씨) - 'HELICOPTER' @ ONLINE MEDIA SHOWCASE CLC Official Youtube: https://www.youtube.com/c/officialclc CLC Official Twitter: https://twitter.com/CUBECLC CLC Official Facebook: https://www.facebook.com/CLC.UnitedCube CLC Official Instagram: https://www.instagram.com/cube_clc_official CLC Official Fansite: https://united-cube.com/ ⓒ All Rights Reserved CUBE Entertainment #CLC #씨엘씨 #HELICOPTER