Matbon Gime Kkulkkeong!

Luana finds herself reborn as an illegitimate princess within a fictional book. Accepting her situation, she chooses to focus on cooking. Soon after, the kingdom is attacked by the cursed Duke Legion, who lays waste to the land. Rather than being captivated by the princess, he becomes enthralled by Luana's cooking. He gives her a command: prepare meals for him or face death.