▁he ▁revealed ▁the ▁month ▁of ▁June ▁for ▁the ▁release ▁while ▁answering ▁fan ▁asked ▁questions ▁on ▁S NS . ▁It ▁wasn ' t ▁until ▁May ▁ 2 5 ▁that ▁he ▁confirmed ▁the ▁date ▁as ▁June ▁ 1 5 , ▁which ▁was ▁almost ▁a ▁year ▁after ▁the ▁group ' s ▁last ▁single ▁release ▁" As ▁If ▁It ' s ▁Your ▁Last " ▁on ▁June ▁ 2 2 , ▁ 2 0 1 7 , ▁and ▁revealed ▁the ▁album ▁to ▁be ▁a ▁mini ▁album . ▁ ▁On ▁June ▁ 1 , ▁the ▁album ' s ▁moving ▁poster ▁was ▁un ve iled , ▁followed ▁by ▁the ▁full ▁track ▁list ▁on ▁June ▁ 5 ▁and ▁an ▁individual ▁moving ▁poster ▁of ▁the ▁members , ▁te asing ▁audio ▁of ▁" D du - D u ▁D du - D u " ▁and ▁" F ore ver ▁Young ". ▁Sub sequently , ▁from ▁June ▁ 1 2 ▁to ▁June ▁ 1 4 , ▁the ▁album ' s ▁te aser ▁post ers ▁were ▁released . ▁ ▁On ▁June ▁ 1 4 , ▁a ▁te aser ▁of ▁the ▁music ▁video ▁for ▁" D du - D u ▁D du - D u " ▁was ▁released ▁on ▁both ▁Black p ink ' s ▁official ▁YouTube ▁channel ▁and ▁the ▁group ' s ▁official ▁V ▁Live ▁channel . ▁On ▁June ▁ 1 5 , ▁the ▁mini ▁album ▁was ▁released , ▁along ▁with ▁the ▁music ▁video ▁for ▁" D du - D u ▁D du - D u ". ▁ ▁Prom otion ▁ ▁On ▁the ▁afternoon ▁of