"The Grand Duke is a prominent character in the Japanese manga series ""The Grand Duke's Little Lady."" As his name suggests, he is a duke and holds a high position in the fictional country where the story is set. His character is well-defined, and he plays a significant role in developing the plot of the manga.

The Grand Duke is a tall, handsome, and well-built man in his late twenties. His distinct facial features like sharp jawline, piercing blue eyes, and a well-defined nose make him stand out from the other characters in the manga. His hair is black and neatly combed, usually tied in a ponytail, and his dressing sense is always impeccable.

The Grand Duke is known for his intelligence, diplomatic skills, and strategic thinking. He has excellent command over the language, history, and politics of his country, which helps him solve disputes and conflicts efficiently. He is a man of principle, and his decisions are always grounded in logic and rationality.

Despite being a duke, The Grand Duke is humble and kind-hearted. He cares for the well-being of his citizens and takes an active interest in their lives. He is approachable, and people can approach him with their grievances without any hesitation. He has a soft corner for children and often indulges in charitable activities like funding orphanages and hospitals.

The Grand Duke is a man of honor and values ethics above everything else. He follows a strict code of conduct and expects the same from others. He despises corruption and doesn't hesitate to punish those who indulge in it. His character is known for his integrity, honesty, and justice.

In summary, The Grand Duke is a well-rounded character in ""The Grand Duke's Little Lady."" He is intelligent, strategic, humble, kind-hearted, and ethical. His character is instrumental in shaping the story, and his presence adds depth and substance to the manga."