, ▁Seven ▁should ▁have ▁ranked ▁at ▁number ▁nine ▁that ▁week , ▁not ▁number ▁one . ▁They ▁claimed ▁that ▁the ▁close ▁affili ation ▁between ▁Y G ▁Entertainment ▁and ▁M net ▁may ▁have ▁led ▁M ! ▁Count down ▁to ▁manipulate ▁its ▁chart ▁in ▁favor ▁of ▁Seven . ▁ ▁Seven ▁began ▁follow - up ▁prom ot ions ▁with ▁" I ' m ▁Go ing ▁Cra zy " ▁in ▁late ▁September . ▁The ▁music ▁video ▁for ▁the ▁song ▁was ▁released ▁on ▁September ▁ 2 9 , ▁ 2 0 1 0 , ▁which ▁featured ▁a ▁came o ▁by ▁his ▁long - term ▁girl friend , ▁Park ▁Han - by ul . ▁He ▁began ▁prom oting ▁the ▁song ▁on ▁September ▁ 3 0 , ▁ 2 0 1 0 , ▁on ▁M ! ▁Count down , ▁followed ▁by ▁performances ▁on ▁Show ! ▁Music ▁Core ▁and ▁In k ig ay o . ▁ ▁Com mer cial ▁performance ▁With ▁three ▁chart ing ▁days , ▁Digital ▁B ounce ▁deb uted ▁at ▁number ▁four ▁on ▁Ga on ' s ▁month ly ▁album ▁chart ▁for ▁the ▁month ▁July . ▁The ▁album ▁went ▁on ▁to ▁debut ▁at ▁number ▁two ▁on ▁Ga on ' s ▁week ly ▁album ▁chart . ▁It ▁also ▁chart ed ▁at ▁number ▁ 2 0 ▁for ▁the ▁month ▁of ▁August , ▁number ▁ 8 1 ▁for ▁the ▁month ▁of ▁September , ▁and ▁number ▁ 9 3 ▁for ▁the ▁month ▁of ▁December . ▁With ▁ 2 4 , 6 0 4 ▁copies ▁sold ▁in ▁South ▁Korean ▁in ▁ 2 0 1 0