Xiaoduo is an ordinary 15-year-old female high school student in Jiuzhai Town. She originally lived a peaceful and stable life, but the "light" she saw in the middle of the night broke her normal life. The gears of fate turned quietly. What is "light"? Why does it appear? The various encounters that followed made her want to explore the answer even more. What is the truth?
Concept: A 15-year-old girl's mystery story