Jiu Wei Hu Chuan (2021)

Both are historical mini dramas about nine tailed foxes with a demon-hunting male character who is trying to capture/kill the nine-tailed fox.
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Both dramas feature nine-tailed foxes.
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Both dramas portray a relationship between a nine-tailed fox and a human.
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Both dramas portray a relationship between a nine-tailed fox and a human.
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Both dramas portray a relationship between a nine-tailed fox and a human.
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Both dramas portray a relationship between a nine-tailed fox and a human.
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Both dramas portray a relationship between a nine-tailed fox and a human.
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Both dramas portray a relationship between a nine-tailed fox and a human.
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Both are supernatural historical mini dramas with horror vibes. Both have an identical scene of a ghostly marriage procession.

Both are historical with horror vibes and have demon characters as well as a scholarly human ML and a non human FL.

The dynamic between the two male leads is very similar in both - the younger one believes all demons are evil and tries to destroy them, the other is partially or all demon and more open minded. Both are historical fantasy dramas.

The dynamic between the two male leads is very similar in both - the younger one believes all demons are evil and tries to destroy them, the other is partially or all demon and more open minded. Both are historical fantasy dramas.

Both are historical/fantasy mini dramas about a demon-hunter who becomes involved with a non-human (demon vs. dragon) who tries to convince him that some demons are good. Both have supporting characters who are fox demons.