emeraldarrows

Both are mini dramas in which the FL enters a drama.
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Both are mini dramas in which an actress enters the drama she's filming.
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Both are historical fantasy mini dramas in which the FL swaps bodies with the emperor ML. Both have a very similar tone/feel.

Both are historical fantasy dramas in which the FL swaps bodies with the emperor ML.
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Both dramas feature a body swap between the male and female leads.
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Both dramas feature a body swap between a guy and a girl.
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Both dramas feature a body swap between the male and female leads.
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Both are about a body swap (grandmother and grandson vs. emperor and woman).
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Both are mini dramas about a body swap. One is between a mother and daughter while the other is an emperor and a woman.

One is BL and the other M/F, but both have a similar vibe and concept - both stories open with one the leads "dying" and the other lead attempting to move on with their lives sort of haunted by their memories. Then a mysterious person who may or may not be the ML who "died" reappears in their lives. Both dramas have a group of villains who want to kill the leads.

Both FLs have powers and a complicated relationship with the mortal ML who has reincarnated/someone has appeared with his face.

Both are a love triangle between a student, her teacher, and another male student. Who she chooses in the end is different, though.