emeraldarrows

Both dramas feature a royal ML from the past, modern day FL, and time travel.
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FL enters the body of a different girl, falls in love with royal ML.
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Modern day FL in fictional historical world, royal ML suffering from some illness only she can treat/cure.

Both are short dramas in which the FL is in a fictional story (tv drama vs. manga) and falls in love with the plot's villain.

FL is from a different world, travels to historical times, and meets the ML who is suffering from some illness she can treat/cure.

Modern day FL time travels to the past, falls in love with royal ML.
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FL enters the body of another girl and must live her life. Main couple clash/dislike each other at first, but later fall in love.

FL travels from modern day to historical times. ML is unique in some way (strange illness vs. being non human) and intrigued by the FL before he falls in love with her.

Both are lighter dramas with a FL who comes from a different world and enters the body of a girl who has died, taking over her life. ML is royal, suffers from some medical condition, and is initially antagonistic/threatening toward her, but she is the only one able to help/cure him. There is scheming within his family to replace/kill him.

Modern day/future FL travels to the past and falls in love.
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Modern day FL faints and finds herself in the past. ML seems cold at first but is intrigued by her and both fall in love.

In both dramas the plucky, outspoken FL ends up sharing a body with a weaker, more delicate girl who had an unrequited love for someone (ML vs. SML), and who eventually loses her life saving the FL. The lead couple initially dislike each other, but the ML becomes increasingly intrigued by the FL's behavior, leading to him falling in love, and eventually she loves him, too.