Carla Arlo , the daughter of great duke of Arlo , southern territory of Atrium empire . The estate is infamous for constant monstrous attack , but a prosperous state . It was told that there was no confident on that land , even commoner were afraid to go there . About hundred years ago , The noble family of Arlo was appointed as the lord of abandoned state , clearly a symbol of not having His majesty's favor. the first duke of Arlo , a prominent knight magician of that time , turned the land into bounty of resources from, monster's skin to tourism and medicines . From that time onwards , the golden era of Arlo estate started . but with time the magic in the blood ran thin and descendant unable to protect the land . Soon the monsters plundered the land and left nothing but ruins , until Peter Arlo came in story , known to be a great magician and warrior who dragged all monsters out of the land . but every roses has throne of their own . Though being a very chivalric warrior , he is known to be emotionless beast . Everyone trembles when he cone at any banquet . what the ill humor?? He never married .