Concubine Is Invincible: Those Who Stand in My Way Kneel Down

An orphan girl in the 21st century suddenly traveled to another world and became a concubine. Unexpectedly, as soon as I woke up, I received a slap in the face! My sister-in-law is persecuted, my slave is poisoned, my mother is in danger... She was impoverished and desperate, and at this moment, the cold and aloof prince descended from the sky. One day, she threw a huge sum of three copper coins at the prince, with a smile on her face and said shamelessly: "Let's cooperate!"