I don't know where to begin so let's just say I really liked it.

The love story of the two main characters was beautiful and in fact quite explicit, there is also a lot of details and symbols throughout the series to express their love in a subtle way. The chemistry between WKX and ZZS makes us really believe in their affection towards each other. Someone made a video on YouTube about those details if you want to know more about it but in the comment section of the episodes on Youtube there is also people explaining. I think it really adds something to know about those details. That is one of the reasons the censorship couldn't censor their love and obvious relation.
One other is that the actors emotions and expressions are truly mastered, all of them really played perfectly but I'd like to emphasize Simon Gong (Wen Ke Xing)'s acting as I was really touched by all his scene and it was said that people were worried about his ability to act. It turns out they were SO wrong.
Also the ost were beautiful and OMG the costumes! That was beautiful and both pleasant to ears and eyes.

The only default is the story in itself: it was interesting and all but I really felt struggle to comprehend it. It was difficult for me to know who was who and who was who's allies (it's a lot of who). Maybe if there was more episodes it would have been easier for me...

PS:be sure to watch the epilogue as it is really changing the ending and is essential.