emeraldarrows

Both are movies in which the ML is trapped in some odd form of time (a loop vs. non moving time) that he thinks is just him until he discovers the FL who is experiencing the same thing. Ultimately, it's revealed that the FL triggered it due to a health-related thing that makes her unable to move on.

Same story, different adaptations.
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Same story, different adaptations.
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Same story, different adaptations.
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Same story, different adaptations.
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Same story, different adaptations.
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Both are mini dramas with an assassin FL who marries the ML under false pretenses in order to complete her mission.

Both are mini dramas with an assassin FL who marries the ML under false pretenses in order to complete her mission.

Both are mini dramas in which FL is a writer of a historical novel and the ML is a character there who magically comes to the real world, appearing in the FL's house.

Both FLs are writers whose historical novel is close to the end. Both MLs are the villains of the novels, who magically come to the real world.

Both FLs are in a coma after an accident and part of an experimental treatment where they enter a virtual world where they have a new identity and no memory of their past. The MLs who have been in love with them for a long time follow the FLs into the world but retain their memories.

Both have a lead who was once human in the past and then became immortal and has lived a long life to the present day, and the other lead who is human.