emeraldarrows

Both are mini dramas about the relationship between a human FL and a shapeshifter animal/human ML (cat vs. dog).

In both, one of the leads shifts between a human and a cat, and the other lead is human.
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In both mini dramas, one of the leads is cursed/in an accident, resulting in them becoming a cat. The other lead learns their secret.

In both, the MLs are cat/human shapeshifters.
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In both, one of the leads shifts between a human and a cat, and the other lead is human.
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Both are mini dramas in which the MLs are shapeshifting cat/humans who end up cohabitating with the FL who learns their secret,

Both MLs are under a curse that causes them to shapeshift between human and cat. The FLs learn their secret.

Both are about the ML, who is someone important, getting injured and amnesiac, resulting in him living in the countryside with the FL who he ends up engaged/married to.

One is the drama, the other is a variety show with the cast as a bonus treat.
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Both FLs suffer from sleeping problems that can only be cured/treated by the ML, resulting in the two living together. Both couples work in the entertainment industry.

Both dramas have a similar vibe and a very similar ML. Both MLs are skilled fighters with a group of men who follow him, and the FLs both survived some traumatic event that resulting in the leads becoming separated for several years.

Both couples end up platonically living together at the beginning (as a contract couple vs. step siblings) and then fall in love, only to (wrongfully) learn they may be biological half siblings.