It is the Tenpo Era, 1830. Jinta runs away from home with his half-demon younger sister Suzune who was being abused by their father. Not long later, the pair are taken in by Motoharu, a guardian from the nearby village of Kodano. When their Miko "Itsuyuki" servant of the Fire God is slain by a demon...
Arc Rise Fantasia begins when L'Arc, a soldier serving the Empire of Meridia is dispatched to eliminate the "Dragons of Corruption" bringing chaos to the world. However, he is knocked down from his ship and meets a Coder Diva named Ryfia who seems to be lost and doesn't seem to understand his language...
