Alana is a princess of Adrium, a medieval kingdom known for its relation to demons and its use of demonic magic. She's traveling north with only a servant in pursuit of the demon Argos after one of her brothers found out about her intentions to claim the throne. With the help of the demon, she plans to secretly get rid of her family to become the sole heir. Alana is a great actress and pretends to be merely a spoiled princess in order to conceal her ambitions and intelligence from others.