Sistar19(씨스타19) - ma boy music video - you., 씨스타 유닛 프로젝트 sistar19의 maboy 뮤직비디오영상입니다. sistar first unit project hyolyn and bora sistar19 "ma boy" casting.
Sistar19 씨스타19 - 있다 없으니까(gone not around any longer) music, - release date : 2013.01.31. - artist : 씨스타19 sistar19 효린 hyolyn 보라 bora ★participate in the autographed cd event now on facebook.
Sistar - wikipedia, On 27 april it was announced that sistar would debut a sub-unit, sistar19, with members hyolyn and bora. their debut song, "ma boy", was released on 3 may. sistar19.