 On August 23, 2016, Park released her first EP "19 to 20" with the lead single 'Try'.Due to Naver's V-LIVE, Park stated that "19 to 20" is about "her story" and hoped that her fans would be able to connect to her better and build a stronger relationship with her first self-composed album.On September 4, 2018, Park released her second EP "Jiminxjamie," where she participated in the composition for majority of the tracks.