OST:
“Dumbhead” – Arie Band
“Good Morning” – Kassy
“Fight for My Way” – HerCheck
https://www.youtube.com/watch?v=EVTjubu5Wig
“Ambiguous” – BtoB
“Night Is Gone, Again” – Ryu Ji-hyun
https://www.youtube.com/watch?v=Ok6_YFxCQkg
“I Miss U” – Cha Yeoul
https://www.youtube.com/watch?v=-JmcMaleKGU