"The youngest collaboration theory" is Hot Topic in Korea.
● Four people witnessed in front of KBS in Seoul today
#IZONE Wonyoung (04)
#ITZY Yuna (03)
#(G) I-DL E Shufa (00)
#OhMyGirl Arin (99)
● Only the youngest of each girl group.
● It is a record of KBS's year-end SP “Gayo Daechukje (Song Festival)” and is presumed to be a stage project for “youngest collaboration”. .. ..