Im Chang-jung is a South Korean actor and singer. He has released numerous full-length albums including I'M, Love Should Not Be Harsh on You, and Ordinary Song... Ordinary Melody…. He reached No. 1 on the South Korean music charts in the 1990s, 2000s, and 2010s. His most popular songs include 소주 한 잔, 내가 저지른 사랑, and Again. Im Chang-jung has also appeared in the films If the Sun Rose in the West, Sex Is Zero, and Sex Is Zero 2.