emeraldarrows

Same time period, both covering the effects of war on civilians with an foreigner ML as the POV. Both dramas have a star-crossed romance, and a tragic ending with the ML surviving after the FL's sacrifice. Both have children as supporting characters.

Both are set in historical times, with an entertainer ML of low birth who ends up in a forbidden romance with the royal FL who is marrying/married to someone else.

Both have a similar feel and tone, dealing with ghosts and folklore.
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The MLs are non-human artificial intelligence.
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Both are about the relationship between a lonely woman and an artificial intelligence who becomes her friend and confidant.

Both feature a lonely FL and a gentle, kind android as the ML. Both are poignant and touching, but AI is more emotionally devastating.

Both are fluffy and the ML has two completely different personalities.
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Both are short length stories featuring a strong-willed FL and a ML with two very different personalities.

Both dramas have an extrovert FL and a very withdrawn ML who everyone thinks is odd until his relationship with the FL brings him out of his shell. Both are sweet dramas with no love rivals or breakups for the main couple.

Frenemies to lovers romance between the main couple, school setting.
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Both are set in school, and have a scene in which the ML rescues the FL from a fire at the school.
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Both dramas have a warm feel, a school setting, and an enemies/frenemies to lovers relationship between the main couple. FL likes someone else who only sees her as a friend. The ML in both seemingly picks on the FL who is annoyed by him, but when he starts to fall for her he falls hard and must try to get her to see him as more than a friend.