In November 2014, Lily became a contestant of the fourth season of the reality show "K-pop Star". She was eliminated in the show's 19th episode, placing fourth overall.
On May 14, 2015, it was announced that Lily had signed an exclusive contract with JYP Entertainment.
2021–present: Debut with NMIXX
On July 9, 2021, a teaser was revealed, containing the phrase "Your Next Favorite Girl group" sparking rumors that JYP Entertainment would be debuting a new girl group soon (now known to be NMIXX). On November 19, Lily was revealed as the group's seventh member through a cover of Bruno Mars "Finesse".
The group debuted on February 22, 2022 with the single album "Ad Mare".
"Orange Marmalade OST Part.3" ("I Know") (2015)
"Orange Marmalade OST Part.7" ("Shiny Day" with Seung Hyun) (2015)