This is a unique and top-of-the-class production with an excellent story, cast, cinematography, and music. No doubt this is a musical but I would call it a piece of art too. If you have read the webtoon, you would have known that the art in the webtoon was one-of-a-kind with many symbolism. I'm glad to say this drama was able to adapt the art and bring out the symbolism rather well. In fact, some scenes like the asphalt in episode 3 and the shadow art in episode 2 were way above my expectations.

The cast is simply excellent. I love Ji Chang Wook as the charismatic Ri Eul but I want to give a shout-out to Choi Sung Eun for her amazing portrayal of Yun Ai. Although she is a rookie actress, I think she fared really well in bringing out the inner turmoil of Yun Ai. This being a musical meant that anyone weak in acting will be very telling and I'm so glad there were none. Overall, the choice of the cast was perfect.

While this is a fantasy, the story is very relatable--those who fall below expectations are marginalized at best or discriminated against at worse. Their struggle to fit in is very real. In fact, it's so real, some parts in episodes 4 & 5 felt too heavy and dark.

I love all the singing. I wish there were more and this is surprising considering I usually dislike musicals. So I can say this one is really well done. The lyrics of all the songs were very meaningful, so much so that I often find myself tearing up during those scenes.

Some people complained about the ending but I find the ending in the drama better than the webtoon. There were closures where closures were needed for me. And the disappearance of Ri Eul did not leave me feeling empty like the webtoon did. I saw it as the Ri Eul the magician being mysterious and enigmatic. There was a part I didn't remember reading in the webtoon and that is, the part where Ri Eul the teen met Yun Ai the kid. But I like it because it answered my question of why Ri Eul singled out Yun Ai.

Overall, I agree with many who calls this a masterpiece. One, it's a perfect adaptation of the webtoon, and two, it's a musical very well done. I'm sure there are many K-dramas out there that are more entertaining but they're good as long as you watch them. Typically, they're also forgettable. But not this. It affected my heart so much and left me thinking about it, wanting more. Definitely worth a re-watch!