[Machine Translation] Suddenly, her supposedly perfect life is thrown into chaos. Cornelia, a genius daughter who passed the government exam at the age of six, is imprisoned by an incompetent marquis who fears her power. She is even sold to a neighboring country. She despairs that there is no need for a clever woman, and vows to pretend to be stupid for the rest of her life... But for some reason, the incoming Grand Duke and the people of the kingdom welcome her with open arms. For some reason, the incoming Grand Duke and his people welcome her with open arms. They are eager to rebuild their war-torn kingdom. Everyone is puzzled by this situation, but for the first time, her eyes light up with anticipation! With the best brains in the kingdom, she quickly reforms the cruise ship business, turns an inferior product into a specialty, and makes a lot of money for her people with her great inventions! On the other hand, her family sold her out. This is a fantasy story about an unfortunate genius daughter who takes off into the world and turns the tables on the vicious aristocrats!