Tremble, Prince Regent.

The heroine, who is a descendant of the God of Cooking, was beheaded due to a poisoning case in her previous life. When she opened her eyes again, she had become a peasant girl. By chance, she rescued the hero. Unexpectedly, the male protagonist has a noble status, but he is actually the regent of the dynasty, and he is also known as the regicide... Just when the female protagonist was deceived by him into taking the position of concubine, and was preparing to give birth to his child, the poisoning case that year came to light, and the mastermind behind the scenes turned out to be the regent...