I'm a Cook, and You Want Me to Fight the Devil?

On the eve of the Royal Adventure Group's crusade against the Demon King, the brave man was poisoned and died, and the princess announced that the team was disbanded. As a cook, Peter was miserably unemployed, so he could only go home and open a tavern with his royal kitchen knife. Unexpectedly, he met the princess who was accused of regicide. For several years, the devil trembled in the castle. "This cook doesn't read the recipe, he only cares about the art of war!"