After "Short Hair", Eunji and Huh Gak will treat fans with a new duet which is set for release on upcoming July 8th.

On July 2nd, A Cube Entertainment announced "A CUBE FOR SEASON #SKYBLUE" project and unveiled a teaser photos in which a girl and a boy were giving their thumb-ups with smiley faces drawn on their thumbs. Later it was revealed that they are none other than A Pink's Eunji and Huh Gak who will participate in the project this time.

"A CUBE FOR SEASON" is a project by A Cube Entertainment as they will release a special song for each season. The previous singles included Yoseob & Eunji "Love Day (#GREEN), Hyunseung - Eunji - Namjoo "One Year Ago" (#WHITE), Eunji and Huh Gak "Short Hair" (#BLUE).