I Need to Raise My Sister Properly

Her favorite character’s fate now rests entirely in her hands.
A woman wakes up after transmigrating into the body of Rachel Agnes, the sister of Liz Agnes—her favorite villain from a story she once knew well.
Determined to change the narrative, she sets out to guide Liz toward a better and more peaceful future.
However, her plans quickly become complicated when a notorious archduke enters the picture, disrupting everything she thought she could control.
As events begin to diverge from the original story, she realizes changing fate may be far more difficult than expected.