After Falling Out of Favor: I Relied on the House Fighting System to Dominate the Harem

The arrogant beautiful girl was forced to enter the palace, and used the house fighting system to navigate step by step amidst the schemes of the sinister prince and the treacherous situation in the harem. She wanted to protect herself wisely, but in the entanglement of sadomasochism, she joined hands with him to overturn the government, and finally her mother was honored in the world.