The baby was born on the same day as U-Kiss' comeback.
The group recently concluded promotions of "Dream Girls" with a performance at the Dream Concert on June 4.
The singer's previous comeback was in Nov. 2015, with "Across The Universe."
The group's album will have double title tracks.
The four-member group's previous album was released in January.
A handful of EXID's top fans were treated to an exclusive pre-screening of the music video.
The group is still undecided on whether to use the same producers that crafted their previous hits.
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."
Currently in their second year, GFriend is already planning on debuting in both Japan and China.
The title song was composed by the same team that created Girls' Generation's 2015 summer hit "Lion Heart."