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.

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

One is the drama, the other a variety show with the cast (somewhat) in character in a different setting and plot.

Both are fantasy/historical Chinese films and have similar vibes, excellent fight scenes, and a theme of opposites attracting.

Both are Republican Era mini dramas centered around the FL marrying into the ML's family under a false identity despite having a past romance with him. The ML is torn between his hatred for her perceived betrayal and his continuing love for her.

Both are Republican Era mini dramas centered around the FL's revenge, with a connection between the leads and the FL having an identifiable scar.

Both are Republican Era mini dramas with a love/hate relationship between the leads (PL is far more extreme, though) and a past connection between them.

Both are historical mini dramas in which the FL has knowledge of the future (by magically seeing it vs. rebirth) that makes her believe the ML will destroy her and her family. Despite this, she ends up marrying him and discovers not all is as it appears.