wait did the empress not know her sister was infrertile and the only way she became empres...

There r reasons that if I tell u would be spoilers so just know that the 3rd test changed in this current timeline

its ok u can spoil me(づ￣ ³￣)づ

Spoiler:
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So basically, I read in a comment waaay back from a novel reader that Rose remembers her past life and that was why she had changed the 3rd test. The spoiler didnt say why she remembered tho so thats still a mystery