Hallyu group Super Junior members Donghae and Eunhyuk will be releasing their hit duet single "Oppa Oppa" in Japan on April 4. "Oppa Oppa" was first performed by the duo during the Super Junior's world tour, ‘Super Show 4’, back in November of last year and was promoted briefly through weekly music programs.

To commemorate the of their duet song, Eunhyuk and Donghae will hold a fan event in Japan. According to Super Junior's official Japanese website, the two idols will meet selected fans in Tokyo on April 11.

The Japanese version of "Oppa Oppa" will be available in three different editions. The album will include the Japanese and Korean version of the title track of the same title, as well as their B-side duo track, "First Love."