Xu Lizhi, a 23-year-old college graduate, and Yang Qingfeng, her boyfriend of six years, have been living together for less than half a year. The two seem to have lost their desire for the future. The 20-year-old red book they once fantasized about now has no desire. The long distance has ended, but they will live together in this half year. The freshness has worn off, if I don't look at you when I go back to the age of sixteen, what if you don't take the crucial step when I go back to the age of seventeen, will our ending be better, but I didn't expect that a casual sentence brought Xu Lizhi back to 16 and also brought about...
Concept: The protagonist wants to change the ending and reverse time and space, but cannot escape the cause and effect of this world.