One Way's Peter from production team, Team OneSound that shared in November that Super Junior's Donghae and Eunhyuk are to return as a sub-unit soon, tweeted again to share their impending comeback is now even closer.

Peter earlier tweeted, "The new DH& EH song is gonna be awesome~ we promise!!! Coming real soon~^^ Team One Sound Prod," along with a photo of Eunhyuk working in the recording studio.

The duo back in 2011 released a digital single titled "Oppa Oppa" that became popular not only in Korea but also in Japan as well. As such fans anticipation are high as they await the duo's comeback.

Currently, both singers are busy with Super Junior M promotions with the release of their latest album Break Down.