Soompi on Twitter: "WATCH: #Chungha Stages Comeback Performances Of "Roller Coaster" And "Offset" On "M!Countdown" https://t.co/PB70n4NNJb https://t.co/lyrUnz1Hjr" / Twitter
Chungha(청하) - Do It + LOVE U + Roller Coaster [2018 KBS Song Festival / 2018.12.28] - YouTube