The Domineering and Mad Concubine Defies the World Through Time Travel

She was originally the supreme killer of the 21st century, but once she traveled through time, she turned into a waste! Mythical beast? No wonder, I have an ancient mythical beast! Artifact? Not surprising, I have an ancient artifact! A handsome man? Not surprising, sister has a lot of powerful identities? No need, I already have a bunch of them. A few years later, the 'waste material' made a strong comeback, collecting ancient beasts, contracting ancient artifacts, and even handsome men as bonuses! When she appeared in front of people with those mysterious identities, it turned out that he was her. . . . . . . . . . . . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.