R.ef releases digital single ‘it’s r.ef’

90s’ group R.ef is finally making a comeback after eight years with their new digital single ‘it’s r.ef’. Released online on September 25, the single consists of two songs, “You Don’t Seem to Know Love” and “Love Formula”.

“You Don’t Seem to Know Love”, which is the title song of the single, features the participation of Eun Ji Won. Eun Ji Won got to know the R.ef members even before he debuted as Sechs Kies in 1997, and took up the offer to feature his voice for the single.

Check out the track below: