H1-KEY - 기뻐 (Deeper)
H1-KEY - Thinkin' About You
H1-KEY - Intro : Seoul Dreaming
H1-KEY - SEOUL (Such a Beautiful City)
H1-KEY - 불빛을 꺼뜨리지 마 (Time to Shine)
H1-KEY - Low-key Scared But H1-KEY Ready
H1-KEY - Magical Dream
H1-KEY - Danger (OST Family Part.1)
H1-KEY - Ring the Alarm