[THE FACT] Son Naeun of the girl group Apink is covering her stomach after photo taking during the ‘2018 KBS Music Festival held at the New Wing of KBS guilding in Yeouido-dong, Seoul on the 28th afternoon. There were 30 idol teams attended in ‘2018 KBS Music Festival’ including BTS, EXO, Twice, Wanna One, Red Velvet, Seventeen, GFriend, Apink, Sunmi, etc.