I already know some (maybe very little) details about this drama before I started watching it. Like about the character Sewook (which is played by Yun Jion, which is also the exact reason I really started this drama... phenomenal acting by the way, really wished he would've gotten a little bit more screentime, and wished that things were different for his character) Back when this was still airing, I didn't watch it but only just see people in the kdrama community talk about this. I have heard about the "bad" cgi, and honestly, safe to say my curiosity about the very cgi in question is anwered, and i totally understand the complaints. The animators might've been rushed to do it, or not? Who knows, really... But I think that flaw was a little saved by the plot. I personally really think the plot is good. Of course, throughout I was thinking how it would be if they had written some scenes differently, how it would be if the plot was slightly different to my own personal preference, and I think it could do better, but it was already pretty good. It got me pretty invested for the past three days, and it's worth it. The fact that I'm curious enough to finish the whole thing is enough to be considered good in my book (i guess, there may be some exceptions) but yeah. The ost was pretty good too, I think they fit the drama pretty well.