Singer Eddy Kim sang "Darling", the title song of The Manual's Deluxe Edition.

On July 13, Eddy Kim collaborated with portal site Naver's Naver Music for a small concert titled "Melody Forest Camp" and revealed the title song "Darling".

In the music concert, Eddy Kim also sang "2 Years Apart," "The Manual," and "Push and Pull."

Eddy Kim also uploaded pictures from the event to his official Facebook page, reporting live to other fans who could not attend.

"Darling," title song of The Manual's Deluxe Edition, was composed and written by Eddy Kim as a romantic and sweet song of Summer romance. The album will be released on July 18.