2 0 0 6 , ▁SM ▁Entertainment ▁began ▁to ▁rec ruit ▁new ▁members ▁for ▁the ▁next ▁Super ▁Junior ▁generation . ▁However , ▁this ▁was ▁met ▁with ▁fans ' ▁ob jections ▁and ▁strong ▁opposition ▁to ▁the ▁rot ational ▁style ▁( m uch ▁like ▁popular ▁rot ational ▁groups ▁in ▁Japan ' s ▁pop ▁music ▁industry ) ▁that ▁the ▁group ▁intended ▁to ▁be . ▁Thus , ▁plans ▁changed ▁and ▁the ▁company ▁declared ▁a ▁halt ▁in ▁forming ▁future ▁Super ▁Junior ▁gener ations . ▁Following ▁the ▁addition ▁of ▁th ir teenth ▁member ▁Ky u hy un , ▁the ▁group ▁dropped ▁the ▁suffix ▁" 0 5 " ▁and ▁became ▁officially ▁cred ited ▁as ▁Super ▁Junior . ▁The ▁re - pol ished ▁group ' s ▁first ▁CD ▁single ▁" U " ▁was ▁released ▁on ▁June ▁ 7 , ▁ 2 0 0 6 , ▁which ▁was ▁their ▁most ▁successful ▁single ▁until ▁the ▁release ▁of ▁" S orry , ▁Sorry " ▁in ▁March ▁ 2 0 0 9 . ▁ ▁Le ete uk ▁has ▁partner ed ▁with ▁E un hy uk ▁as ▁host ▁DJ s ▁for ▁K BS ▁Super ▁Junior ' s ▁K iss ▁The ▁Radio ▁( pop ular ly ▁known ▁as ▁S UK I RA ) ▁since ▁ 2 0 0 6 . ▁With ▁the ▁exception ▁of ▁four ▁months ▁from ▁March ▁to ▁June ▁ 2 0 1 1 , ▁where ▁band mate ▁Yes ung ▁tempor arily ▁replaced ▁E un hy uk ▁while ▁he ▁was ▁away ▁on ▁prom ot ional ▁activities ▁for ▁Super ▁Junior - M ' s ▁third ▁EP ▁Per