Lee Jang Jun is a South Korean singer, dancer and member of GOLDEN CHILD (골든차일드). He graduated from Seoul Performing Arts High School and later obtained a bachelor's degree from Global Cyber ​​University. He is enrolled in the master's degree program in Sports Business. He made his debut in August 2017 as the group's main rapper and vocalist with their first EP, "Gol-Cha!" and enjoyed initial success in the South Korean and Japanese markets. In January 2022, they debuted in Japan with the single "A Woo!!" and their agency, Woolim Entertainment (울림엔터테인먼트), began planning for them to gain more international exposure through concert tours in the US and Europe. He is also active as an MC and as a participant in a variety of shows that require physical abilities, such as "Physical 100 Season 2". (Source: MyDramaList) Watch drama online for free.