Falling in April! Hello, I'm Jinsol! Jinsol has trained for 6 months in 2015 at DSP Media before making her first debut as a member of APRIL on August 24.
On January 30, 2019, DSP Media announced the release of a new single album, which would be sung by a special sub-unit made up of Jinsol and Naeun. On February 7, the single, titled " My Story ", was released.