Artist: Girls Next Door
Song: Deep Blue Eyes
Idol Drama Operation Team OST
Jinyoung (B1A4)

The drama features: Somi (IOI), Moonbyul (MAMAMOO), Seulgi (Red Velvet), YooA (Oh My Girl), Sujeong (Lovelyz), D.ana (Sonamoo), and Kim Sohee (IBI).