emeraldarrows

Both are mini dramas in which the ML approaches the FL under false pretenses but genuinely falls in love.

Both couples enter into a contract/arranged marriage with the ML hiding the secret that he approached the FL to get revenge for a loved one who he believes the FL's parent caused the death of. However he truly falls in love, causing complications in both their relationship and his revenge.

Both are mini dramas in which the ML approaches the FL in order to get revenge for a family member's death, only to fall in love.

Both leads grow up together and are sweethearts until ML mistakenly believes FL's parent is responsible for his father's death. Both dramas involve birth secrets regarding the ML's true parent(s) and a lot of angst between the leads.

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Both are Republican Era dramas in which the couple meets when the FL saves the ML who is wounded and fleeing. Both MLs are domineering, violent, and somewhat unstable, and their possessive love for the FL causes her to fake her death to flee their marriage.

Both are mini dramas in which the FL becomes a stepmother and works with the family to improve their lives in a countryside town.

Both are mini dramas set in the 1980s featuring marriage before love, the FL becoming a stepmother, a countryside/small town setting, and a hardworking and kind ML.

Season 2 continues the story.
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Both have a hotel setting in which the ML has an overbearing/controlling father and a cold personality. Both FLs have had personal loss and have a determined attitude.

Both are short length dramas centered around the leads being race car drivers.
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Both FLs disguise themselves as their brothers and enter a male-only place in order to fulfil their loved one's dream. Both are mini dramas.