Kim Yu-jin (U-IE) is a South Korean singer, actress, host, and model. She graduated from Sungkyunkwan University. In 2009, she joined the girl group After School in their second-stage recruitment and released the digital single "Diva." Then, she earned a role in the SBS Wednesday-Thursday drama "He Is Beautiful." In 2010, After School released their third single album "Bang!" In 2011, she won Best New Actress at the KBS Drama Awards with her performance in "Ojakgyo Family." In 2012, she co-hosted KBS's "Music Bank" with Lee Jang-woo. She played the role of Kim Baek-won in the MBC weekend drama "Golden Rainbow" and won the Excellence Award for Actress in a Special Project Drama at the MBC Drama Awards in 2013. In 2015, she played the lead role in the drama "Hogu's Love." In 2016, she played lead roles in "Marriage Contract" and "Night Light." She won the Top Excellence Award for Actress in a Special Project Drama at the MBC Drama Awards for her role in "Marriage Contract." In 2017, her contract with her original management agency expired. Therefore, she officially graduated from After School and signed an exclusive contract with Yuleum Entertainment. That same year, she played the female lead in the romantic comedy "Manhole."