Oong - Feel The Nature
Oong - Hope (Feat. KWAII)
Oong - How
Oong - 꿈속의 널 (You in my dream) (OST Individual Circumstances Part.2)
Oong - True Love (OST Returning Student : Straight-A, but F In Love Part.2)
Oong - Love you so bad (OST Oh My Wedding Part.7)