▁Korea . ▁On ▁July ▁ 1 4 , ▁the ▁group ▁finished ▁prom ot ions ▁for ▁" D du - D u ▁D du - D u " ▁and ▁started ▁prom oting ▁" F ore ver ▁Young " ▁as ▁the ▁second ▁single ▁from ▁the ▁EP ▁and ▁wrapped ▁up ▁their ▁seven ▁week ▁long ▁promotion ▁on ▁August ▁ 5 ▁after ▁performing ▁on ▁In k ig ay o . ▁ ▁On ▁August ▁ 1 7 , ▁it ▁was ▁announced ▁that ▁similar ▁to ▁" Black p ink ▁Area ", ▁another ▁pop - up ▁store ▁at ▁B OK ▁Gallery , ▁T akes h ita ▁Street ▁in ▁Har aju ku , ▁Japan ▁will ▁be ▁made ▁public ▁from ▁August ▁ 2 2 - 2 6 . ▁ ▁Com mer cial ▁performance ▁The ▁mini ▁album ▁deb uted ▁on ▁the ▁top ▁spot ▁of ▁Japan ' s ▁Or icon ▁Week ly ▁Digital ▁Albums ▁chart ▁with ▁ 3 , 9 1 5 ▁download s . ▁The ▁lead ▁single ▁" D du - D u ▁D du - D u " ▁deb uted ▁as ▁the ▁highest - chart ing ▁Hot ▁ 1 0 0 ▁hit ▁ever ▁by ▁an ▁all - f em ale ▁K - pop ▁act , ▁opening ▁at ▁number ▁ 5 5 ▁with ▁ 1 2 . 4 ▁million ▁US ▁streams ▁and ▁ 7 , 0 0 0 ▁download s ▁sold ▁in ▁the ▁tracking ▁week ▁ending ▁June ▁ 2 1 , ▁ 2 0 1 8 , ▁according ▁to ▁N iel sen ▁Music , ▁also ▁entering ▁on ▁the ▁US ▁Stream ing ▁Songs ▁t ally