emeraldarrows

Both are Republican Era mini dramas in which the FL marries the ML's father to take revenge for her family.

Both FLs are fox shifters who are discovered in fox form by the ML who keeps them as a pet and later secretly learns their identity. Both dramas are fantasy/historicals.

Both are historical/fantasy mini dramas with the same actress as the FL. In both, she is a fox who falls in love with the human ML.

Both have the similar concept of two women marrying two very different grooms at the same time, ending up with the opposite man from the one they expected/were engaged to. Despite the mix up, it turns out both couples are best suited for each other. One of the grooms in both dramas is a general and the other is a sick/disabled young man.

Both are historical mini dramas and have the similar concept of a marriage mix-up of some sort with the FLs being the favored and less favorite daughters of the same family. In both, despite the switch or mix-up, the marriage(s) end up being (a) perfect match(s).

Both have the similar concept of two women marrying two very different grooms at the same time, ending up with the opposite man from the one they expected/were engaged to. Despite the mix up, it turns out both couples are best suited for each other.

Both have the similar concept of sisters, one more favored than the other, marrying two very different grooms at the same time, ending up with the opposite man from the one they expected/were engaged to. Despite the mix up, it turns out both couples are best suited for each other.

Both are historical dramas centered around talented musicians. Both have a similar tone.
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Both are historical dramas in which the FL disguises as male and attends a boys-only college, becoming roommates with the ML who becomes her love interest.

Both FLs disguise as male and attend a boys-only school where they become roommates with the ML whom they have an antagonist relationship at first that eventually leads to love.

Both are mini dramas in which the FL enters a fictional world and falls in love with the villain of the story. In both, he is killed and she makes a deal with the system to save him.

Both are mini dramas set within a comic/book in which the ML is the villain who falls in love with the self aware or transmigrated FL.