emeraldarrows

Both focus on the struggle of lower class people and servants against an indifferent or cruel society and upper class.

Both involve a prince and other characters attempting to stop a zombie plague spreading across their kingdom.

Both are Republican Era mini dramas if which the FL has a false identity and her father murdered the ML's family. ML kills her father in revenge but they reunite at the end after a separation.

Both are Korean BLs with a human lead and a vampire lead.
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Both are mini dramas set in high school with a similar vibe. Both MLs are forced to leave or planning to leave toward the end but reunite with the FL.

Both are mini dramas set in high school with a similar vibe and an opposites attract pairing.
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Hidden Heal is the third installment to Hidden Heat.
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Both FLs marry the emperor, only to be betrayed, murdered, and travel back to the past, trying to change what happened then. Both MLs are brothers to the emperor, and have been in love with the FL since before she married his brother.

Both FLs marry the emperor, only to be betrayed, murdered, and reborn/soul swapped in a different girl's body. Both MLs are generals, brothers to the emperor, and have been in love with the FL since before she married his brother.

Both dramas involve rebirth, a complicated relationship between the leads, and two versions of the FL existing in the same time and space.

Both are mini dramas in which the FL in stuck in a time loop of one significant day, finding love along the way.

Both FLs are betrayed by their husbands and buried alive. Both MLs have unknown motives at first and carry a fan. Both plots involve the FL (or the person she's posing as) being framed for a miscarriage.