[MBC K-pop Hidden stage] Ep7 The homey attitudes of big senior idol groups at their waiting room

[MBC K-pop Hidden Stage] MBC Music Core Hidden Stage Ep5. The homey attitudes of big senior idol groups at their waiting room Nineth-year U Kiss, 12th-year SS301, and sixth-year Sistar.. What do they do in their waiting room? Their feeling towards growing number of young junior groups and their secret stage know-how! Their comfy and natural looks all revealed exclusively!