Princess at Large (2018)

Both are shorter length dramas with a modern day FL who time travels to the past and finds herself marrying the ML. Both MLs have an off putting reputation (cold behavior vs. strange illness).

Modern day FL in fictional historical world, royal ML suffering from some illness only she can treat/cure.

Both are dramas with a modern day FL who finds herself in history and falls in love with the royal ML.

FL enters the body of a different girl, falls in love with royal ML.
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Both are lighter dramas with a FL who enters the body of a girl who has died, taking over her life. ML suffers from some medical condition,

Both have a doctor FL from modern day in a historical setting. Both MLs are royal and have an illness (poisoned vs. medical condition) only the FL can cure. Both dramas are relatively to very short.

Both dramas feature a royal ML from the past, modern day FL, and time travel.
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Modern day FL and historical ML who meet and fall in love due to time travel.
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Both are dramas with a modern day FL who time travels to the past and falls in love.
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Both are mini dramas with a modern day FL who finds herself in history.
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After an accident, the soul of a 21 century woman traveling back into another time/paralele universe into the body of a dying woman.

Modern day FL time travels to historical time, meets and falls in love with ML.
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Modern day FL time travels to the past, falls in love with the ML.
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In both one of the leads time travels from modern day to the past and falls in love with the royal ML whose life is being threatened by his family.

Modern day FL and historical ML meet and fall in love due to time travel.
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