2056 - Company soldier Hannah and scientists Gavin and Dimitri are on board of RUBIKON space station researching an algae project aimed to provide humanity with a permanent supply of oxygen and food. But all of a sudden the earth beneath them disappears in a brown, toxic fog and all contacts are broken - are they the last survivors? Should they leave the safe station, risk their lives by flying back? What is worth living for, what is worth dying for?故事发生在一个名为“迷路镇”的小镇之中,在这里,居住着很多以占卜为职业的占卜师,他们被称为“Urara”。活泼可爱的少女千矢(原田彩枫 配音)千里迢迢来到迷路镇,她希望能在这里见到一直都在寻找的母亲,在这座拥有着神奇力量,因缘交汇的小镇,千矢的梦想能够化为现实呢?