Which South Korean-Chinese girl group debuted in 2016 has Bona as a member?
Bona (singer) Kim Ji-yeon (Hangul: 김지연 ; born August 19, 1995), better known by her stage name Bona, is a South Korean singer and a member of the South Korean girl group Cosmic Girls. She made her acting debut in the KBS2 drama "Hit the Top", and is cast as the female lead in teen drama "Girls' Generation 1979".
Chen (singer) Kim Jong-dae (born September 21, 1992), better known by his stage name Chen, is a South Korean singer-songwriter and actor. He is a member of the South Korean-Chinese boy group EXO and its sub-unit EXO-CBX, as well as S.M Entertainment's ballad group SM the Ballad.