HAJIN - In The Dark
HAJIN - Choice (OST Longing for You Part.2)
HAJIN - A Dreamy Town (OST The Good Bad Mother Part.1)
HAJIN - 두 눈을 감아 (Close My Eyes) (OST Strangers Again Part.4)
HAJIN - Time's Up (OST The Interest of Love Part.6)
HAJIN - What about us (OST Why Her? Part.3)
HAJIN - Take Me (Prod. by YEGNY & YOHANKIM)
HAJIN - DEVILLL (OST Kill Heel Part.3)
HAJIN - Alone (OST Artificial City Part.3)
HAJIN - UP