The villainess picked up a sword because she died due to abuse and malicious rumors, and upon returning to the past, she decided to embrace strength to change her fate. Specifically, after dying at her stepmother's hands, she returns as a genius Sword Master determined to protect the prince she once failed and to survive by becoming stronger, even if it means taking on the role of a true villain.
This return to the past and quest for strength allows her to fight back against those who harmed her and to alter her destiny, including confronting past enemies and handling complicated relationships with people who once mistrusted or hated her.
