Recommendations

Both are mini dramas in which the FL is in the world of a manga.
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Both are set within the world of a manga.
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Both are mini dramas in which the FL enters the world of a book or comic book.
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Both are mini dramas in which the ML is a manga character.
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Both are mini dramas in which one of the leads is a manga character.
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Both are mini dramas set within the world of a manga.
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Both are mini dramas in which the ML is a manga character.
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Both are short dramas in which the FL is in a fictional story (tv drama vs. manga).
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Both are mini dramas in which the FL enters the world of a book or comic book. Both have the same actress as the FL and a Repubican Era setting.

Both are mini dramas with the same ML and FL.
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Both are mini dramas with the same ML and FL portraying the relationship between a human and a mythical creature.
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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 with horror vibes and have demon characters as well as a scholarly human ML and a non human FL.

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