Cha Yeoul - 그대는 몰라요 (You Don't Know) (OST The Accidental Couple)
Cha Yeoul - 말하고 싶은데 (I Want to Say) (OST Man Who Sets the Table Part.2)
Cha Yeoul - Stay the Same (OST Psychopath Diary)
Cha Yeoul - My Hope (OST Designated Survivor : 60 Days Part.1)
Cha Yeoul - Destiny (OST Switch Part.6)
Cha Yeoul - It's You (OST Bravo My Life Part.4)
Cha Yeoul - I Miss U (OST Fight for My Way)
Cha Yeoul - My Love My Destiny (OST My Dear Cat Part.2)