sentences:  After his discharge from his enlistment, Eunhyuk participated in the songs writing and composing for Super Junior's 8th Album "Play", which was released on the group's 12th anniversary.In November of 2017, Eunhyuk and Donghae announced their comeback in Japan as the duo group Super Junior D&E.Eunhyuk began to serve as the concert director of his group's concert tours through Super Show 7, Super Show 7S, and the subunit Super Junior-D&E's The D&E.