Oppa, Oppa (Hangul: 떴다오빠; RR: Ddeotda Oppa, literally: Brother Has Risen) is a digital single by Super Junior sub-group, Donghae&Eunhyuk. It was released on-line on 16 December 2011 by SM Entertainment and distributed by KMP Holdings.The single was digitally released in Taiwan on 21 December 2011 by Avex Taiwan. It was also released in Japan on 4 April 2012 by Avex Trax, as a CD single with Japanese and Korean versions of the songs.