The dragon drew water and turned it into a rainbow. The dragon's body was a land, and its scales were a dome. The rainbow world was born from this. One dragon's eye fell into the human world and was cast as a baby boy, while the other wandered into the rainbow world without a trace. Broken Rainbow Yuji, the boy with the dragon eye has grown up, is it an accident to step into the rainbow world? Or fate? The gears of time are still turning, and the millennium time limit is approaching. Can Hongjie still remain uncontested in this precarious century? The girl stood among the rainbow spirits, as if she was being protected by the gods. She looked at the boy with silver eyes filled with tears, clearly saying "go back quickly", but the boy knew that she was saying "I'm waiting for you"...