Lu Chenxi is a 19-year-old college sophomore and the older sister of Lu Chenyue. After their mother died of stomach cancer when Chenyue was six, she raised her younger sister alone while struggling with college tuition. Her father abandoned them for another woman who bore him a son. Lu Chenxi is cautious, resourceful, and deeply devoted to her sister. In the survival game world, she possesses a system space of 10 cubic meters and received a summer quilt from her daily check-in. She is the primary decision-maker and protector in their partnership.