BongGu (GB9) - 받아주기를 (Please take on me)
Bonggu (GB9) - 눈을 감고 있으면 (If You Close Your Eyes) (OST River Where the Moon Rises Part.6)
Bonggu (GB9) - Get away (OST Still 17 Part.5)
Bonggu (GB9) - 보고싶어 (Miss You)
Bonggu (GB9) - It Has To Be You (OST Temperature of Love)