The Ten Princes of Lotina

What is a prince's duty? Study hard to become a wise ruler? No. Rub his hands together and fight for the throne? No. Eat, drink, and be merry, with money to burn? No. Fairy tales tell us that most kings are foolish old men, queens are either murdered or stepmothers, and what do princes do? Bingo! Slay dragons, rescue beauties, and fall in love! Love until the whole world is filled with it! The ten princes of Lotina, ten love stories. What? If they're all off falling in love, who's going to inherit the throne? Relax, let the king worry about that. Princes, off you go to find your beauties

P.S. Some attentive readers have pointed out that this is similar to Takagi Ryo's manga XX Game series, while others have suggested it goes beyond fan fiction. Here is my explanation. First, I have indeed read that manga (and have never denied it, at any time, in any place, or in any way). Second, what exactly this story is is for readers to decide after finishing it. In particular, if you have questions about my labeling it