It's one of the series I liked but at some point wanted to get on with it
The fact that he was happy at the end, despite living in a delusion says something about the human mind, about all of us, I was unhappy about how it ended at the beginning, because I feel like I wouldn't make the same decision if I was in his shoes, but again I understood him, he was happy, finally.
I wanted more of kyung hu and sung woong, their relationship was the highlight of this series, I didn't like the fact that he was confused all the time, I wanted to see him a bit more stable during the show, but we got that at the ending, the manicure case was fine, it was an enjoyable puzzle, if this was a cop genre drama it wouldn't be enough but since it's just a factor, it alright.