Return After the Poison of Rebirth

She won the throne for him and fought against powerful officials without fear of life or death. And the day he ascended the throne was actually the beginning of her torture, and she was thrown into a dungeon forever. She swore to be reborn as a vengeful concubine. She would not be merciful, but would definitely avenge blood and sea, and take charge of the harem to bring peace to the world.