Bloodthirsty Prince and Cold Concubine

She is the most feared mercenary in the 21st century. She is cold-blooded and ruthless. He is the prince of the empire that attracts the attention of the world. He is bloodthirsty and ruthless. Once they travel through time, they depend on each other, and one captures the other's heart. She narrowed her eyes, and the danger in the beautiful Danfeng's eyes was clear: "Whoever dares to hurt the person I love, I will make his life worse than death."... His deep eyes were as bright as stars, arrogant and arrogant... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.