Rin is the next emperor of the place. He's known as stoic and cold crown prince and he doesn't even give a care at someone's feelings with his sharp and blunt answers. Despite being cold, he's still being choosen by many nobles to be as their husband. He's the main key of the successful of war and the one of the strongest swordsman in the country. He's a big dominant and sometimes will be forceful at what he wants. If he wants something, he'll for sure get it without fail.