Lim Nayoung - 온맘다해 (With all my heart) (OST Twenty Hacker Part.4)
Lim Nayoung - 우리둘처럼 (Like the two of us) (OST Twenty Hacker Part.4)
Lim Nayoung - 그냥 그렇다고 (Just Saying) (OST Summer Guys Part.2)