emeraldarrows

Both dramas are historical and have a quirky tone. The MLs are of higher social status/wealth than the FLs, and the FLs earn their living in a way that requires they evade the law. Both FLs tell a lie to save themselves that connects them to the ML in some way (pregnancy vs. claiming to be possessed by his dead wife) and then end up telling more and more lies as time goes by.

It's the spin-off to the original drama.
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Both are about a lead character who can see and lives with ghosts and has a colder/distant personality. Both MLs are stage magicians who incorporate ghosts into their theme or tricks.

Both are Korean movies with a ML who works as a stage magician. Both are a mix of fantasy and romance.

Both are about a FL who can see, lives with, and is haunted by ghosts. Both FLs are colder/distant personalities, while the MLs are warmer personalities.

Both FLs have the ability to see ghosts and this power causes them to become involved with the ML.
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Both have a lead character (ML vs. FL) who has the ability to see ghosts.
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Both are horror/romance with a haunted FL.
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Both FLs are largely reclusive due to being able to see and living with ghosts.
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Both have the concept of a shadow or piece of a person who becomes their own unique person. Both have misunderstandings between the leads, with the FL having a wrong impression of the ML's feelings/actions for a large portion of the drama.

Both are mini dramas in which the FL is betrayed by the man she loves and in her revenge plot she becomes entangled with another man who assists her.

Both are mini dramas in which the FL is betrayed by the man she loves and in her revenge plot she becomes entangled with another man who assists her.