Female protagonist who has been reborn eight years into the past, before the apocalypse fully erupted. She survived eight years in the apocalypse and has deep vigilance and caution ingrained in her bones. She possesses a space that was sealed off in a research institute, which she can now use again due to her rebirth. She has a son named Cheng Tian and a husband named Cheng Qian who went missing. She was injured with a deep wound on her lower leg from steel rebar under a collapsed bridge.
