Idol girl group Girl's Day (Sojin,�Yura,�Minah, and�Hyeri) has just released their comeback concept photos.

Girl's Day released their comeback concept photo through a popular social network service me2day with the caption "How does our back look?"

Netizen's replied back "I can't wait till your comeback!", "You girls are so beautiful, please hurry up and release your comeback song!".

Dream Tea Entertainment told allkpop, "The concept this time around is sexy and feminine at the same time. To express their new sophisticated concept, the group chose the color black with spots of youthful color to mixed and�matched�into their looks. It's also the fall season which is perfect for a more mature image and music. "

It has been six long months since their last activity with "Oh My God". Girl's Day will be releasing the first teaser to "Don't Forget Me" on October 23rd and making a full comeback on October 26th with their 5th digital single.

Are you liking the group's new, sexier concept?