Navia is a well-respected aristocrat around Fontaine. She's remarked to be a beautiful boss girl and the president of Spina Dirosula, a well-famed organization that helps with justifying crimes and correcting morals, outside the work of police. She has a lot of body guards on her side and as loyal as a family, a matter of fact. She's known for her father's commendable efforts though wasn't later realized of his heroic deeds. Navia is also a yandere which none knows off, and she's very rich too.