Rebirth of a Concubine

In her previous life, her aunt was in power and her brother died at an early age. She was not kind to others and became a starlet who was ridiculed by the world. She worked every step of the way, almost dying, just to win the crown prince position for the one she loved, and she aspired to dominate the world, but she didn't expect that the one she truly loved was her eldest sister, and she deliberately approached her for the ancestral military manual of the Meng family, but what she got in exchange was to drown in the bottom of the lake, and die with hatred... In this life, she abused her aunt mother and bullied her eldest sister, and she will definitely step on this world, let them taste the feeling of emptying their true hearts, but not having a happy ending!