Hitomi Kanzaki is just an ordinary 15-year-old schoolgirl with an interest in tarot cards and fortune telling, but one night, a boy named Van Fanel suddenly appears from the sky along with a vicious dragon. Thanks to a premonition from Hitomi, Van successfully kills the dragon, but a pillar of light appears and envelopes them both. As a result, Hitomi finds herself transported to the world of Gaea, a mysterious land...