The OST was amazing. 10/10 music which was stuck in my head and wasn’t released until after the show ended. I think my favorite parts of the story were Gu reums and Zi O’s sad moments. The happy episode was great but I liked that more as a flashback. I would totally recommend if you want a kdrama with action, romance, and a great soundtrack. The acting was great as well; however, I’m not experienced enough to write a review for one’s acting skills. The acting and visuals that made this show were out of this world. I’m talking about the stuff that made me in my feels during the whole ride. The story is good but the villains were clearly portrayed as evil. Like some dramas have such a great storyline that the line between a villian and a victim become thin; however, in LUCA, they stay consistent in my mind. The only part I didn’t like was that Zi O had too much character development. I’m the dude that just wants Zi O and Gu Reum to have a happy ending or at least an ending were they end up together (I’m talking about an ending like “the smile has left your eyes”). Totally recommend watching