In a distant continent, there lived a group of gifted humans. They believed in the "Saint of Fantasy" but slaved the "Phantom Spirit" together. Little did they know that this custom that had been passed down for thousands of years had brought disaster to them. A sensible girl's soul was reincarnated and entered the "Fantasy Continent". Was it an accident or fate? Is she the savior or the origin of the war? The ending of a puzzle that goes back thousands of years is about to be revealed, and an unknown conspiracy is brewing. A close "brother" has done something unexpected to her. Is she survival or destruction? The answer to the mystery is getting closer step by step...