It has been so long since I last felt pleased this much watching a series. A ghost x a person, that story/concept could go wrong on so many levels, yet, this one didn't. The two's emotional development took place smoothly and was absolutely convincing.
Yes, there were many plot holes, but they were minor, and it didn't affect the main events at all, so I'll just let it slides then, it is harder to find series WITHOUT plot holes, anyway.
The ending was so pleasing and comforting that I couldn't have asked for anything else.
The acting was superior ! All of them were significant, present and believable. I'm glad that I found a series that has actors who can really bring out all the basic emotions within a person. Although, they could actually act like they were not seeing anyone instead of avoiding eye contact altogether when interacting with the spirit of Med. But that did not push me away, therefore, it doesn't affect the watching experience that much.
And the music~~ Oh my lord ! It was beautiful and meaningful and was placed appropriately throughout the series, I was impressed (and some of the copyrighted soundtracks has become my favs, too).
To conclude, this series will quech your thirst of having a good BL to dive in, do not miss out.