U-KNOW is a South Korean singer and actor. He released the extended plays KIMIWA SAKIE IKU and True Colors. He also released the extended play Reality Show. U-KNOW's most popular songs include Follow and Eeny Meeny. As part of the group TVXQ, U-KNOW achieved six consecutive number-one albums in Japan and five consecutive number-one albums in Korea. He has appeared in the series Diary of Night Watch, Queen of Ambition, and RACE.