I am very interested with this theme and storyline. I love Park Shin Hye in this drama. Her charisma in this drama is amazing. Her acting skills are also unquestionable.

As for his co-star, the guy also has acting skills and also fits his role very well. I don't know this guy but he's great. I also like the atmosphere created between the other supporting characters.

In terms of visual effects, it is also beautiful and indeed quite terrifying to depict hell. However, I am not too satisfied with the execution at the end of this story, but considering that it was played professionally, I can't if not give it a high score.