▁He ▁returned ▁to ▁the ▁line - up ▁for ▁the ▁August ▁performance ▁at ▁Music ▁Bank , ▁mark ing ▁the ▁first ▁time ▁he , ▁He ech ul ▁and ▁K ang in ▁had ▁been ▁together ▁in ▁the ▁line - up ▁since ▁they ▁each ▁completed ▁their ▁military ▁service . ▁With ▁Super ▁Junior ▁on ▁a ▁temporary ▁hi atus ▁for ▁much ▁of ▁ 2 0 1 6 ▁due ▁to ▁the ▁en list ment ▁of ▁four ▁other ▁members , ▁Le ete uk ▁has ▁returned ▁to ▁hosting ▁and ▁co - hosts ▁I ▁Can ▁See ▁Your ▁Vo ice ▁with ▁Y oo ▁Se - y oon ▁and ▁Kim ▁J ong - k ook . ▁In ▁June ▁ 2 0 1 6 , ▁he ▁collabor ated ▁with ▁Su ho , ▁K ass y ▁and ▁song writer ▁Cho ▁Young - so o ▁in ▁a ▁song ▁titled ▁" My ▁Hero ", ▁part ▁of ▁SM ▁Entertainment ' s ▁music ▁project ▁SM ▁Station , ▁as ▁a ▁t ribute ▁to ▁South ▁Korean ▁Olymp ians ▁past ▁and ▁present ▁in ▁honor ▁of ▁the ▁ 2 0 1 6 ▁Summer ▁Olympics . ▁▁ 2 0 1 7 – present : ▁Act ing ▁roles ▁and ▁further ▁solo ▁activities ▁Le ete uk ▁became ▁the ▁host ▁of ▁The ▁Best ▁Cook ing ▁Sec rets ▁in ▁January ▁ 2 0 1 7 , ▁replacing ▁Z E : A ' s ▁H w ang ▁K w ang he e , ▁who ▁en list ed ▁in ▁the ▁military . ▁His ▁first ▁episode ▁as ▁the ▁host ▁was ▁broadcast ▁on ▁E BS ▁on ▁January ▁ 3 0 , ▁ 2 0