I loved this drama because it took all the tropes that made me fall in love with kdramas to begin with, and enacted them beautifully. With shows that start light hearted and quickly turn to melodramas, it was refreshing to see a drama that didn't hide what it was.
The actors were great, they played their characters well.
The 12 episode format was a refreshing change- no dragged out scenes or stories, and while sometimes it's necessary, on a show that's easy to predict and full of tropes, 16 episodes would have dragged it out.
I do take issue with the last episode, purely because I would've liked the last 20 minutes to have wrapped up each story nicely instead of bringing in a completely new element which gave us unresolved ends, but again, this drama is so faithful to tropes, it's followed the rushed ending for a brilliant drama trope. But I'm not unhappy. We knew where the characters ended-happy. Which is what we all need at the moment. After two years of bad news in the world, I personally enjoyed watching a drama that didn't make me feel depressed watching it. I can't wait to see where these actors pop up in other dramas.