Bang Yong-guk, also known mononymously as Yongguk, is a South Korean rapper, singer, songwriter, and record producer, who served as the leader of boy group B.A.P up until his departure from TS Enterta

Song Ji-eun, better known mononymously as Jieun, is a South Korean singer and actress best known as a member of the South Korean girl group Secret. Aside from her group's activities, she has released