His Royal Highness the Crown Prince's Cold-Faced Concubine

He was a dandy and libertine prince, and she was a cold, arrogant and beautiful courtesan. He fell in love with her at first sight, but she was in the world and hated the palace life. So, he pursued her and went through twists and turns. When they fell in love, the position of prince was coveted. In order to protect him, she fell off the cliff. He searched like crazy. ; When they meet again, she turns out to be a princess from an enemy country, his crown prince, but she has no impression of him; he regards her as his life and takes care of her in every possible way; the memories of the past are gradually recalled, and her identity is revealed, where should she go; the country is in turmoil, and he protects it to the death, can he have both the country and the beauty...