Bet: the Prince Regent Begs to Be My Chief of Bodyguards

[Seize the body + double strength + tsundere, male and female protagonist 1v1] Mo Jingyuan: "I don't accept waste in my chess game!" Lan Yuan, the eldest princess of the Blue Kingdom, seized the body of Su Qinghe, who was burned to death by the Prime Minister. She blocked the carriage for revenge, and received three words from the regent: Get out yet! When Su Qinghe visited the palace at night, he opened his thin lips and said, "Take her down to be my maidservant." How could pride be tolerated? Su Qinghe was playing chess, grasping the spider's web, controlling life and death, evenly matched. After three years of confrontation, feelings secretly arose, and Mo Jingyuan opened his mouth to test: "Why don't you enter the palace and become my concubine?" Su Qinghe: "If the prince serves you with sex, I can consider having sex with him!" A sudden turmoil arose, and Lan Yuan returned, ascended to the throne of the eldest princess again, and wrote a personal letter asking for marriage. Unexpectedly, Mo Jingyuan did not recognize the handwriting of his old friend and burned the letter out of anger. When the truth was revealed, he regretted his mistake and bowed his head to be the captain of the bodyguard. The former aloof regent finally received a completely unexpected canonization...