What is Joo's real name?
Joo 본명: 정민주
Joo's real name is Jung Min-joo.
Jung Min-joo (Korean: 정민주; born October 11, 1990), born Jung A-rin and known professionally as Joo (stylized in all caps), is a South Korean singer, songwriter and musical actress.
Source: Wikipedia: Joo (singer)
