Lee Seung Yeol - Valley of the Shadow (OST Jirisan Part.11)
Lee Seung Yeol - Til the end (OST Memorist Part.1)
Lee Seung Yeol - Run Away (OST Ms. Ma, Goddess of Revenge Part.5)
Lee Seung Yeol - Someday (OST Hundred Million Stars From the Sky Part.1)