Both feature a human FL who ends up living/staying with with the supernatural ML after she accidentally kisses him and swallows his magical object that he wants back.

Both dramas feature nine-tailed foxes.
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Both MLs are nine tailed foxes and the FLs are human and have something that is part of the ML's power inside them.

Both MLs are nine tailed foxes and the FLs are human. Both have an ancient time period setting.
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Both MLs are magical nine-tailed foxes and the FLs are humans who accidentally swallow an object that is part of the ML's power. As a result, the ML ends up living or staying with her to gain it back.

Both portray a world in which vampires live among humans, and a vampire and human end up falling in love.

Both portray a world in which vampires live among humans, and a vampire and human end up falling in love.

Both are about vampires living among humans.
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Both are a love story between a human and a vampire with an evil vampire as the antagonist, and a human woman who aids the vampire ML.

Both have a historical setting, an emperor who is impossible to please with his meals, and a FL who is an excellent cook.

Both are historical dramas with a fantasy/time travel twist about the ML and a FL who likes to cook.

Both are mini dramas in which a modern day cook travels back to ancient times and meets the ML.
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