I Conquered the Heroine Before the Hero Could—Now He's Losing His Mind!

Li Hao wakes up as the villain with a system that rewards every scheme and plot twist. He swears he's a gentleman... until the heroine starts playing music in his mansion, the hero's sister cooks him breakfast, and the protagonist himself gets trampled underfoot—all completely 'voluntary.' The system watches in stunned silence as Li Hao turns the entire story upside down. Who's the real villain here?