From ancient times to the present, the world has been operating according to rules for an unknown period of time. Birth, old age, illness and death, spring, summer, autumn and winter, wind, rain, thunder and lightning, alternation of day and night... On the earth, only near the Antarctic and the North Pole have a history of extreme day and night, which is also determined by its geographical location. Why is it suddenly dark all over the world and the universe is dark? What is the reason?
Who will bear the burden of bringing light again? Will this be a whole adventure and adventure? The entanglement of seven lives of love, the reincarnation of fate, the truth of the legend, the re-experience of the past life... Can the ordinary heroine in the story bring light to the earth? The world falls into darkness, the mysterious bottle is accidentally opened, and the heroine falls into the mysterious ice cave. The story begins here.