The girls of GWSN had announced it to us, here is more precision on their comeback.

Kiwipop publishes on the group’s SNS and its own, this first image for the group’s comeback. A second part after their debut for this second mini-album “THE PARK IN THE NIGHT”.
The 7 girls from GWSN will be back on March 13th.
Journalist : Shawn
Source : Kiwipop