Born into the royal family of Pathos, where magical power is passed down through generations, Princess Apolia is the only one without the ability to use magic. Branded as "useless except for political marriage," she is sent as a hostage bride to the enemy kingdom of Stille. But on the very first night with the infamous cold-hearted King Null, Apolia unleashes an unbelievable hidden power...!? Get ready for a wildly unpredictable marriage packed with laughter, surprises, and heart-pounding romance!