emeraldarrows

While one is historical and the other not, both are mini dramas about a group of strangers trapped in a place where they must solve a mystery and stay alive to escape.

Both appear to be set in the same time period and are historical dramas with palace intrigue and a star-crossed romance between a royal lead and a non-royal lead who works for the palace. The royal lead had a non-typical upbringing (either raised as a commoner or isolated from the palace). Both dramas have a subplot in which a foreign priest arrives and is hidden by the main characters.

Both dramas are about a water god in love with a mortal woman who has an odd destiny/fate with them.

Both are short dramas in which the ML is a water god who falls in love with the human FL.
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Both FLs are destined brides to the ML who is a supernatural being. Both dramas have an identical umbrella scene in the first episode.

Both are mini dramas in which the ML are water gods destined to marry the mortal FL. One is historical, the other modern day.

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Both having cloning/someone trying to save themselves or someone they love by creating clones. The original human and the clone have very different personalities.

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Both are xianxia dramas in which the ML is a dragon who becomes involved with the human FL. Both FLs are (at least in one life) a cultivator.

Both are about identical twin FLs with very different personalities. Due to an accident, the spirited twin ends up married to the ML in place of her sister.