40인 한일 참가자의 첫 만남! 무대는 찢고 손톱은 뜯기고 뜨거웠던 첫 촬영 현장 공개
40人の日韓参加者の初対面！ ステージは破って、爪は破れて 熱かった初撮影現場を公開
A historic first : 40 Korean and Japanese participants meet! They killed the performance and their nails are wrecked. Behind the scenes of the hot first shooting day revealed.
