A Reversal of Fortune After Transmigrating Back to the Modern Era

Reborn into a world a hundred years in the future...

She marvels at how lucky, yet how tragic, the owner of this body’s life was.

She had planned to live out this life in quiet obscurity, never expecting that returning to her home country would turn her life upside down.

Why does this person look exactly like her "lover" from her previous life, right down to their equally awful personalities?

Her childhood enemy thinks she’s a quiet little kitten, never realizing she’s already become a "wildcat" that can bite someone to death.