"Oppa, Oppa" (떴다 오빠; Tteossda oppa) is the first digital single by Super Junior-D&E, released on December 16, 2011.
- First Love (첫사랑)
- Oppa, Oppa (떴다 오빠)
- Lyrics: Kim Gwang-seok, Young Sky, Peter
- Composition: Kim Gwang-seok, Young Sky, Peter
- Arrangement: Kim Gwang-seok
- The song was first performed at group's Super Show 4 Seoul concert on November 19, 2011.
- Another version of the music video was released on December 21, 2011 and was edited and directed by Super Junior member Shindong, marking it his directorial debut.
- The single was released in Japan as their first debut Japanese single on April 4, 2012.