Teen top L.joe, Niel and ChangJo sang Justin Bieber 'One Less Lonely Girl' together MBC Starry Night! Its start at around 0:45-3:12!
You might have heard before L.Joe and Niel singing 'Don't Wanna Try', but you might not hear Teen Top Maknae, Changjo! So what do you think of him?
Credits : COOKiiE14MONSTER @ YT
Source : tudou