V.O.S Members Profile: V.O.S Facts V.O.S (브이오에스) is a R&B trio formed by Star Empire Entertainment. They debuted on May 14, 2004 with their album The Real. Park Ji Heon departed from the group in 2010 but rejoined in 2015. The group was also under Happyface Entertainment but they left in 2017 and now they … Continue reading V.O.S Members Profile