Aisanai to Iwaremashitemo: Moto Maou no Hakushaku Reijou wa Kimajime Gunjin ni Ezuke wo Sarete Shiawase ni Naru

Abigail, an earl's daughter who was the Monster King in a previous life, enters a political marriage. On their first night, her new husband declares that he will never love her. Unused to humans, she panics, wondering whether that means she is no longer allowed to eat.