According to media outlet reports on August 1 KST, rookie girl group H1-KEY is making preparations to join the comeback lineup for the end of August. 

Currently, H1-KEY members Riina and Hwiseo are competing on the Mnet music program 'Queendom Puzzle'. Based on the media outlet reports from this day, it seems that the rookie girl group plans on making a speedy comeback with new music immediately after the two members wrap up 'Queendom Puzzle'. 

This will also mark H1-KEY's first music release as a group since January of this year, when the group garnered attention for the chart-topping title track "Rose Blossom" from their 1st mini album of the same name. 

Stay tuned for additional details on new music from H1-KEY. 

[UPDATE] GLG has now confirmed H1-KEY's group comeback with the release of their 2nd mini album, 'Seoul Dreaming', on August 30 at 6 PM KST.