[Original Webcomic](https://www.kuaikanmanhua.com/web/topic/15702)

The cold and stern special forces soldier, Cheng Tianbi × the nurturing, tech‑savvy caretaker, Cong Xia— Together they flee and evolve, supporting each other along the way. In the apocalypse, their bond flows quietly like a long stream, And in times of peril, they become each other’s reliance. As the Cambrian descends, humanity plummets from the top of the food chain. What fate awaits them? [Original Webtoon](https://manga.bilibili.com/detail/mc39066)