After School's Raina To Release Single 'I Don't Know'

After School and Orange Caramel's main vocal Raina will be releasing her digital single album I Don't Know.

On Nov. 24, Raina released her digital single album I Don't Know through various music websites.

The title track, "I Don't Know," is the first song Raina wrote, establishing her new title as a singer-songwriter. The song is about a couple who start to doubt if they even loved each other in the midst of a changing relationship.

Raina had previously proved her amazing singing skills through "Midsummer Night's Honey" in 2014 with rapper San E and other singles as well.

Check out Raina's sweet vocals and melody in her new song, "I Don't Know" now.