Both are short length dramas with a person from the real world entering a fictional world and an antagonist ML.
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Both are short length dramas set in the world of a comics, with a villain ML and a FL from the real world who end up falling in love.

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

Both dramas have a FL from the real world entering a story and falling in love with the story's villain.

Both are short dramas with the characters inside of a story, where the FL messing with various events causes the storyline to change. She unexpectedly finds herself involved with and falling in love with the story's villain.

Both dramas have a similar feel, with a FL who is lying to the ML and ends up forced to live or work with him while hiding her secrets. Both couples are an enemies to lovers relationship, with the FL initially disliking/afraid of the ML who seems cold and harsh at first.

Both dramas have a FL who is posing as another girl which causes her to become involved with the ML. Both MLs seem cold at first but become very devoted and loving with the FL.

Season 2 will continue the story.
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Both dramas revolve around poisons and assassination attempts against the royal family. The villains in both have an opium poppy field.

In both, there's a sect of people controlled by another group by a drug for which they must regularly receive antidotes. One of the sect's leaders is trying to find a cure so their people can break free.

Both dramas have a similar feel and story, and portray a love story between a human FL and a ML who is an AI. There is a scene in both where the ML rescues the FL from a fire, and both MLs end up being forced to leave toward the last part of the drama but return in the last few minutes for a happy ending and reunion with the FL.

Both dramas are about the relationship between a human FL and an artificial intelligence ML.
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