Why Did the Emperor Sigh?

※ This work has been renamed. Please keep this in mind when purchasing. Nook, born as the second and only prince of a small kingdom. To take his sister's place, he sets off with only a single maid to become the imperial concubine of the Emperor. He is a down-to-earth, cheerful, and lovable handsome man, but... If you think he changes when he's before the Emperor of the Great Empire, you're mistaken. With a muscular physique that stands out uniquely among the slender and beautiful concubines, an insatiable appetite, and a complete lack of tact left behind in his homeland, he ends up falling out of the Emperor's favor and is relegated to living in the stables. Emperor Leonide, who doesn'...