La Preuve Qui Les a Cloués le Bec

Aurora, once a math prodigy with solutions valuable to military research, was revealed to be the lost daughter of the wealthy Winslow family. But after being brought home, she was looked down upon for her rural background and overshadowed by the adopted daughter, Luna. Luna framed her repeatedly, and during a major exam, copied Aurora's answers. Yet Aurora was the one punished.In her next life, Aurora returns with a vow for revenge. When Luna tries to provoke her again at the exam hall, surrounded by their biased family, Aurora publicly cuts all ties with them, determined to uncover the truth and reclaim her place.