emeraldarrows

Both FLs seemingly die in a fire and return with a new identity and face. Both MLs were in love with the FL and believe her to be dead while working alongside the FL.

Both FLs seemingly perish in a fire and return with a new face and identity to take revenge. Both knew the ML in their former life but he's unaware the new FL is the same person.

Both FLs die and are reborn with a new identity and take revenge. Both have a past connection to the ML. Both are mini dramas.

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Both movies are set in the same universe, but have none of the same characters since Seoul Station is a prequel. One is animated, the other live action.

Both are mini dramas in which the FL learns she is a doomed character in a fictional historical novel or manga. Both FLs then become determined to fight their fate, the original FL of the story, and the writer. Both MLs are villains/morally gray characters.

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Both are Republican Era dramas in which the ML/one of the MLs is a police officer investigating strange cases, and the FL has an extraordinary sense of smell.

Both are Republican Era mini dramas in which the ML/one of the MLs is a police officer investigating strange cases, and the FL has an extraordinary sense of smell.

Both are BLs in which one of the MLs time travels to his past, reuniting with the other ML, and attempts to change what happened then.

Both are mini dramas in which the ML has two personalities, one of which is potentially dangerous.
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Both are mini dramas in which the FL has the ability to enter people dreams in order to punish or release them from their obsession.