Tale of the Ancient Snake

Both are fantasy/historical mini dramas with the same ML and FL as the main couple.
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Both are short(ish) dramas with a similar historical setting and horror vibes, as well as a very similar tone/aesthetic. Both have an immortal ML and a human FL pulled into a strange world of ghosts and monsters .

similar vibe
innocent female lead
bad/evil male lead (demon/comes from hell)
FL forced into marriage
male chases female first

Both are supernatural historical mini dramas with horror vibes. Both have an identical scene of a ghostly marriage procession.

Both are mini dramas with the same ML and FL portraying the relationship between a human and a mythical creature.
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Both are mini dramas with the same actor and actress as the main couple.
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