RPG Alvastia Chronicles

After meeting with the man who killed his parents ten years ago, Elmia, the priestess and Alan, her brother and protector, set out to avenge their deaths in order to stop the stream of monsters that flow into the upper world and restore Alvastia's peace. However, in their desire to gather an army of the strongest heroes, they meet with a lot of difficulties. Will they really be able to acquire the forces necessary to take revenge on the murderer of their parents?