emeraldarrows

Both are mini dramas with an alien ML who can only stay a brief time on earth and falls in love with a human FL.

Both dramas are about an alien who comes to earth and falls in love with a human. Both are light and quirky dramas.

DCB references and spoofs MLFTS and begins with the FL watching the drama. Both are about the alien ML who comes to earth, falls in love with the human FL, but only has a limited time to stay or he will die.

Both are mini dramas with one of the leads trapped in a day long time loop.
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Both FLs are trapped in a time loop where she and the ML keep dying. In both, she must figure out how to break the loop while growing closer to the ML who she initially doesn't like.

Both are mini dramas in which the FL is stuck in a day long time loop.
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The two seasons are loosely connected with the same FL but different MLs and a completely different plot and tone.

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 soft Japanese BLs centered around a dark haired ML and a blond haired ML with one cooking for the other.

Both leads meet on board a cruise ship and find themselves swept up in a murder mystery. MDD has fantasy elements and is darker in tone, while LADW has no fantasy and is lighter in tone.

Both are short length dramas with a similar plot and feel, made by the same company. Both seem to be connected, with GITMG a sequel of sorts.