Both are short BLs in which the human lead discovers his cat has transformed into a human.
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Both are fluffy Thai BLs in which one of the leads is a cat.
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Both have a strong FL who at one point joins the army and stands with them when the ML or SML betrays them and leaves them to die. Both have morally gray love interests for the FL who start carefree and somewhat silly and then become consumed by revenge or power and turn evil. Both have a ML or SML with whom the FL has much more chemistry but less screen time with. Both have open, ambiguous endings.

Both MLs have a dragon bone/scale that was taken from them and is now inside the FL, keeping her alive. The leads must work together to achieve their goals.

Both are historical/fantasy mini dramas in which the leads are connected/stuck together by a red thread of fate, forcing them to work together.

Both are historical dramas with reversed gender roles with a strong FL and the ML who is her servant and has a secret identity/motivations.

Both are historical dramas with reversed gender roles with a strong FL and the ML who is her servant and has a secret identity/motivations.

Both are set in matriarchal societies with a strong FL.
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Both FLs are strong fighters and bright, cheerful personalities. They marry the ML in the first episode and begin to fall in love only for something to happen. The couple breaks apart and the FL then spends a lot of time with the SML before eventually returning to the ML. Both dramas stand a good chance of giving you SLS.

Both are historical dramas with a heavy love triangle in which the FL spends more time with the SML than the ML. Both involve one of the leads developing amnesia for a while, one of the leads thinking the other died, and end with the FL returning to the ML and the two and their child living happily ever after. Both stand a good chance of giving you SLS.

Both have an episodic feel and are about the characters in a historical/fantasy setting with a tragic end, followed by them reuniting as modern day reincarnations in a bar where one or both of them work.

Both are historical/fantasy stories with Lin Geng Xin and Zhao Li Ying playing opposite each other as the main couple.