"Darling" (ダーリン) is the 25th single by Dream overall and their second major release as a 4-member group. It was released on November 5, 2014 in four editions: CD+DVD, CD Only, One Coin CD and MUSIC CARD. The One Coin CD and MUSIC CARD editions were only sold at mu-mo online store, at LDH Mobile store and at E-girls FAMILY official CD/DVD shop fanclub.
The title track was used as the theme song for Recruit's Zexy CM in the month of October and was pre-released digitally on October 22. The b-side "Unbelievable" was used as theme song for Tepika's mini CM and "Wanna Wanna Go!" was used as theme song for Honey Bunch CM, being released as a digital single on October 9.