Ouji wa Tadaima Dekasegichuu

Yuuto, the prince who is the main character, is in a lot of debt. He needs to get rid of his country's debt in order for his sister, who will be marrying into a rich noble family soon, to successfully marry her fiance. The storyline follows Prince Yuuto, his assistant Iru, and another prince, who is very wealthy and willing to help Yuuto, named Tajesu. It's just about Yuuto trying to relieve the debt, how he manages to do that, and the other two tagging along.