Luna will be the second member of f(x) to have a solo album.
The four-member group's previous album was released in January.
Jessica and Tiffany have both released solo albums this month.
The group is still undecided on whether to use the same producers that crafted their previous hits.
According to an insider, every song on the album was produced by member Zico.
The veteran companies in the industry are being overtaken by smaller agencies.
Due to the strict "Produce 101" contracts, she was unable to promote heavily in the past.
JYP's previous comeback was over a year ago, with "Who's Your Mama?"
The single will also include their previous single release, "October Weather."
The title song was composed by the same team that created Girls' Generation's 2015 summer hit "Lion Heart."
The nine-member girl group has not had much time to rest ever since they debuted in Oct. 2015 with "Like Ooh-Ahh."
SM Entertainment made an official statement about the Girls' Generation leader's comeback.
The group released their previous Korean album, "Chained Up," nearly six months ago.