un , ▁which ▁was ▁broadcast ▁live ▁on ▁February ▁ 9 , ▁ 2 0 1 9 . ▁From ▁January ▁to ▁April ▁ 2 0 1 9 , ▁he ▁hosted ▁the ▁music ▁game ▁show , ▁I ▁Can ▁See ▁Your ▁Vo ice ▁for ▁its ▁sixth ▁consecutive ▁season , ▁along ▁with ▁fellow ▁co - hosts ▁Kim ▁J ong - k ook ▁and ▁Y oo ▁Se - y oon . ▁ ▁From ▁May ▁to ▁July ▁ 2 0 1 9 , ▁Le ete uk ▁hosted ▁a ▁Th ailand ▁based ▁variety ▁show , ▁Beaut y ▁No . 9 , ▁which ▁focused ▁on ▁Korean ▁beauty ▁products . ▁His ▁hosting ▁act ▁was ▁well ▁received ▁by ▁the ▁loc als ▁and ▁media . ▁In ▁August ▁ 2 0 1 9 , ▁it ▁was ▁announced ▁that ▁Le ete uk ▁is ▁set ▁to ▁publish ▁a ▁cook book , ▁which ▁was ▁target ed ▁for ▁single - person ▁households ▁and ▁he ▁became ▁the ▁first ▁id ol ▁to ▁publish ▁a ▁cook book . ▁It ▁was ▁published ▁on ▁January ▁ 2 0 , ▁ 2 0 2 0 . ▁On ▁September ▁ 1 2 , ▁ 2 0 1 9 , ▁he ▁hosted ▁Id ol ▁Star ▁Athletics ▁Championships ▁( IS AC ) ▁ 2 0 1 9 ▁alongside ▁Jun ▁Hy un - m oo ▁and ▁Tw ice ' s ▁D ah y un . ▁ ▁He ▁star red ▁on ▁a ▁YouTube ▁Original ▁series ▁Anal og ▁T rip ▁with ▁fellow ▁band ▁members , ▁E un hy uk , ▁D ong ha e ▁and ▁Sh ind ong , ▁and ▁TV