Gilgu Bonggu - For The First Time (OST Are You Human?)
Gilgu Bonggu - Propose (OST Suits Part.6)
Gilgu Bonggu - 다시, 우리 (We’d)
Gilgu Bonggu - 너를 (You)
Gilgu Bonggu - 나만 혼자 (Alone) (OST Cross Part.4)
Gilgu Bonggu - With You (OST Black Knight Part.5)
Gilgu Bonggu - I Hope It's Breeze (Live Ver.)
Gilgu Bonggu - 왜 이리 (Adorable)
Gilgu Bonggu - 막 좋아 (JUST I LIKE YOU) (feat. NiiHWA)
Gilgu Bonggu - This is What I Am Doing (OST Bongsun)