Hellow guys, Welcome to my website, and you are watching [성남댄스학원/방송댄스/제이오댄스] 청하 - Why don't you Know DANCE COVER. and this vIdeo is uploaded by 제이오댄스 성남댄스학원 at 2017-07-02T18:04:02-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.