Kim Yu Jin, better known by her stage name Uee, is a South Korean singer and actress. She is best known for being a former member of South Korean girl group After School from 2009 to 2017, and has acted in various television dramas including Queen Seondeok (2009), Ojakgyo Family (2011), Jeon Woo-chi (2012), Golden Rainbow (2013), High Society (2015) and Marriage Contract (2016). On May 31, 2017, Uee graduated and left After School and its agency, Pledis Entertainment and now is under Yuleum Entertainment.
Her father, Kim Sung-kap, is a professional baseball coach for the South Korean team, Nexen Heroes. She has an older sister, Kim Yu-na. Uee attended Incheon Physical Education High School. While in high school, she was a swimmer and competed in the Korean National Sports Festival.
Uee originally desired to be an actress and went to many auditions, but she debuted as a singer first. In 2007, Uee was a member of the girl group "Five Girls" under Good Entertainment. The group starred in a reality show on MTV called "Diary of Five Girls", but disbanded before their scheduled debut due to Good Entertainment's financial troubles. In April 2009, Uee joined the girl group After School with their single "Diva". In July, she made her acting debut in MBC's historical drama, Queen Seondeok, which was well received and won various awards. Uee ranked eighth on Forbes Korea's list of most hard-working idols in 2009–2010.
On July 14, 2017 Uee's agency confirmed that she and Korean-Japanese singer and TV personality Kangnam are in a relationship. They appeared together in a South Korean documentary based reality show Law of the Jungle. On August 1, 2017, the couple was confirmed to have broken up after three months of dating.