emeraldarrows

Both are mini dramas in which the lead is trying to choose between a group of love interests.
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Both are mini dramas in which the couples start off on the wrong foot at school, and the FL's mother and ML's father start a relationship, causing the four to live together.

Both FLs are cat spirits who become involved with a human.
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Both are shorter length dramas in which the ML has two very different personalities. At first his behavior confuses the FL until she learns his secret.

One of the leads has two distinct personalities.
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One of the leads has two distinct personalities.
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Both are short length dramas in which the ML has two personalities.
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Both are short length dramas in which the ML has two personalities.
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Both are mini dramas in which the MLs have two entirely different personalities.
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Both are Republican Era mini dramas in which the FL and detective ML are working together to solve murders and mysteries around the city.

Both are Republican Era dramas about mysteries that initially appear to be supernatural.
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Both are about a rich ML and poor FL who are planning to get married only to be driven apart due to scheming by the ML's mother/se=mother. Five years later, the couple crosses paths again, and the ML discovers the FL has a daughter who he instantly realizes is his. Both children are cute and precocious, befriending the ML even more he realizes they're the FL's child.