ulation ▁that ▁it ▁would ▁be ▁a ▁new ▁girl ▁group . ▁W ool lim ▁Entertainment ▁then ▁confirmed ▁it ▁with ▁a ▁concept ▁film ▁released ▁on ▁July ▁ 2 3 ▁which ▁included ▁the ▁six ▁members . ▁Ro cket ▁P unch ▁became ▁W ool lim ▁Entertainment ’ s ▁second ▁girl ▁group ▁since ▁Lov ely z , ▁who ▁deb uted ▁in ▁ 2 0 1 4 . ▁▁ 2 0 1 9 : ▁Deb ut ▁Ro cket ▁P unch ' s ▁debut ▁EP ▁P ink ▁P unch ▁was ▁released ▁on ▁August ▁ 7 , ▁ 2 0 1 9 , ▁with ▁" B im ▁B am ▁B um " ▁serving ▁as ▁its ▁lead ▁single . ▁A ▁debut ▁show case ▁was ▁held ▁in ▁Yes 2 4 ▁Live ▁Hall ▁in ▁Se oul , ▁South ▁Korea , ▁following ▁the ▁release ▁of ▁their ▁EP . ▁The ▁group ▁held ▁their ▁first ▁performance ▁in ▁Japan ▁at ▁the ▁ 2 0 1 9 ▁Girls ▁Award ▁Aut umn / W inter ▁Show . ▁▁ 2 0 2 0 : ▁Com eb ack ▁with ▁Red ▁P unch ▁The ▁group ▁made ▁their ▁com eb ack ▁on ▁February ▁ 1 0 , ▁ 2 0 2 0 ▁with ▁their ▁second ▁EP ▁Red ▁P unch ▁and ▁its ▁lead ▁single ▁" B oun cy ". ▁ ▁M embers ▁ ▁J uri ▁( 쥬 리 ) ▁ ▁Ye on he e ▁( 연 희 ) ▁ ▁Su y un ▁( 수 윤 ) ▁ ▁Y unk you ng ▁( 윤 경 ) ▁ ▁So he e ▁( 소 희 ) ▁ ▁D