Manga A Beauty, A Fatal Concubine

Reborn and returning, Mu Yunyao believes in three points: first one is do not be kind to others; second is eliminate the source of trouble; third is do not believe true feelings. So she's ruthless and unscrupulous. Rather than endure, she would rather turn the world upside down. But after the meeting, a cold prince always appears, haunting her and wanting to marry her...