How Do I Deal with Being Reborn as Voldemort's Younger Sister?

Xixiu Fei transmigrates into the world of Harry Potter as the younger sister of Voldemort, the great villain. Xixiu Fei thinks, "This is the end for me!" But just when things seem darkest, a glimmer of hope appears: the moment the Sorting Hat is placed on her head, the System finishes loading! Overcoming the criticism of those around her and a perilous encounter in the Chamber of Secrets, Xixiu Fei studies desperately and absorbs knowledge, gradually growing into an exceptional, top-tier witch. In the end, she helps her brother Voldemort unite the world!

This novel and its characters are entirely fictional. Any similarities are purely coincidental. Do not imitate.