The Zerg swept across the entire Blue Star, which was a disaster.
Li Zhen lived a small life with no worries about food and clothing and no crisis.
But he found that he hadn't seen a human being other than Chu Mujun for a long time.
PS: In the interstellar background, there are not many disaster scenes, just a love game between two little ones.
There are about three chapters of extra chapters that will explain all the foreshadowings. Xin Shidandan himself swears here.
Purpose: Companionship is the longest confession of love