Casts, the story, plot twists and even the OSTs (bgm) are superb! While I wait for another episode, I re-watch the previous episodes or watch scene clips from the drama with their OSTs as bgm, making my heart feel mix emotions. I even made a separate spotify playlist of the drama's OSTs and play it on loop. ONE OF THE BEST K-DRAMA I'VE WATCHED ⭐⭐⭐⭐⭐💯