Just gives similar vibes as that one as in 18 again he transforms back to his past form. But, here her past comes to the future.
Both have a team fighting against politics and the crimes of the country. But in fiery priest there is no involvement of evil spirits. But both are kind of similar and equally good.
Both are historical dramas with the similar concept of gender swap with a good comedy and plot. The only difference is in tale of nokdu the guy becomes a girl