EXY auditioned for JYP in 2008, but did not pass. She later trained for five years under Starship Entertainment before debuting as a part of WJSN. In 2012, EXY was part of the lineup for VIVA Girls, a seven-member girl group under Medialine with other members SeolA, 9MUSES' Kyungri, Dalshabet's Woohee, Stellar's Hyoeun, Hello Venus' Lime, and Kiss&Cry's Soyumi. The group unfortunately never debuted because of financial issues. She attended School of Performing Arts Seoul (SOPA) and graduated in 2013. In 2015, she was one of the contestants of Unpretty Rapstar 2, joining in episode 6 before being eliminated in episode 8. She also released a Mixtape in 2015. EXY was revealed to be a member of WJSN on December 21, 2015 when she took part in a cover of Mariah Carey's "All I Want for Christmas Is You", and was later revealed to be a member of its Sweet Unit along with SeolA and Soobin before debuting with the group as the leader and main rapper on February 25, 2016 with their mini-album Would You Like?. On May 12, 2021, EXY debuted as a member of WJSN's second sub-unit, WJSN THE BLACK, with the single album "My attitude". She debuted as an actress with a minor role in the 2015 K-Drama, 'The Fatterer'. On September 14, she landed her first lead role, and was revealed as a member of Cotton Candy, a fictional girl group of JTBC's upcoming television drama Idol: The Coup. (Source: WJSNWiki) Watch drama online for free.