the official (Jeongeubsa 4 versions) and non official (mostly instrumental) OST of this drama


here's the playlist where I found most of these unofficial sountracks (I don't know if all of the songs in the playlist are from this drama or not):

https://www.youtube.com/playlist?list=OLAK5uy_n7Pg1_B7JXr1LEB3wuO_QKv2PLrvU3-1A

A Cruel Lie

this is my favourite OST apart from Jeongeupsa

Maturity

(sounds like the band 's theme to me)