Enemy Miaka Yûki is an ordinary junior-high-school student who is transported into the world of a book, The Universe Of The Four Gods. Thinking that her mission has failed, she runs off to the land of Xi-Lang, where a warrior of her arch enemy, the god Seiryu, finds her! And before the adventure is over, Miaka will find out who are allies, who are enemies, and who is determined to see her dead!