This is the first life of Lan Yuyuan, Jiang Shiyuan and their friends. Lan Yuyuan was reborn and returned to the pre-apocalyptic world. She stocked up supplies, built a base, solved misunderstandings with her childhood sweetheart Jiang Shiyuan, and survived the apocalypse together with her stepfather, stepmother, and friends. There are male and female CPs and male-male CPs in the novel.
Very nice, I like it very much