BELLA4 Members Profile BELLA4 (벨라포/벨라4) was a South Korean ballad girl group under Happyface Entertainment consisting of Boreum, Hyunah, Wonji and Hyojung. They released an OST as One Piece (원피스) in 2012 and were supposed to debut between late 2014 and early 2015 but that never happened as they disbanded instead. BELLA4 Fandom Name: — BELLA4 Official … Continue reading BELLA4 Members Profile