Set in an imaginary future world, the earth inhabited by humans is saturated and self-sufficient. The biggest difficulty it faces is the "eating beast" from outer space. For this reason, a large number of troops have to be sent to guard the living space belonging to humans.
The story of the two heroines (Tian Tian, Luo Xihui) just happened
Intention: You and I are the eternal nebula in each other's hearts