It's Okay That's Love (괜찮아 사랑이야 OST)

Davichi bring their trademark two-voice architecture to this track — one voice low and contemplative, the other lifting toward something brighter, and together they create a conversation between sorrow and acceptance that no single singer could quite replicate. The instrumentation builds slowly from piano and strings into a full orchestral sigh, each section adding emotional weight without ever tipping into melodrama. What makes this OST entry remarkable is its relationship to the drama's central thesis: that mental illness and love are not incompatible, that fragile people can still hold each other up. The melody carries that paradox — it's simultaneously heavy with grief and lit from within by something warm. The harmonies hit hardest at the chorus, where the two voices lock together as if to say that being okay doesn't mean being without pain, just that pain doesn't have to be faced alone. It's a song that acknowledges brokenness without asking anyone to be fixed. You'd reach for this late in an evening when you've been carrying something too long and need permission to feel it, or when you want to explain an emotional complexity to yourself that words alone can't hold.