Viscount's daughter Claris, who lives in the royal capital, has always been compared to her beautiful sister, also known as her "jewel of Fahrenheit," and has been oppressed by her family and lived in the shadows inconspicuously. She will be married at the age of nineteen, in place of her sister as a reward for the results of the battle of Siegfried Gutenberg, who is known as the "Cannibal Margrave." However, Margrave Jean is a charming person who has a silent and expressionless personality but is caring towards Claris. However, Claris, who feels guilty of being a "substitute bride," could not easily entrust her heart to Jean. When the news of her sister's marriage arrives from the royal capital, she and Jean are heading back to the royal capital... In fact, Claris's birthplace has a serious secret?! What's more, the marriage with Jean is different from what Claris knows?!

• Migawari no Hanayome wa, Bukiyou na Henkyou Haku ni Dekiaisareru