The story is great and I enjoyed the flow of the story; but the ending and the plot twist???? (watch the story first so you would know XD). For me this is the one of the best kdrama that I watched. Starting from story, to ost(s), and to acting everything is masterpiece. The actor who acted as a twin from room 307 did a great portraying his role actually everyone of them did a great job! can't wait for the directors cut version.

Story: I don't know why Moon-Jo calling Jong-u babe and he said he was special to him? but I think that was cute hahaha I don't know why but the story is not intented to turn out like that. If they could just listen to Jong-u he will not turn like that :'( (I won't spoil it so you better watch it) and the end it was really confusing but if you're going to scan every details I think you will know it?. but I rate this (8/10)

Acting: They give justice to their role especially The actor who portrayed the twins!!! (10/10)

Music: good (10/10)

Rewatch: definitely I'm going to rewatch it sometimes so (8/10)

I recommend this to those people who love exploring some drama genre hahaha although yes as you can see it's kinda disturbing to watch it.