The system attached to Qian Chuanchuan. It provides a protection mechanism that keeps her safe within a two-meter radius of her shop, and promises the barrier will remain even after the shop upgrades. It operates a System Mall where Qian Chuanchuan can purchase items using points earned from crystal cores. San San can identify zombie crystal core levels and confirm transactions. It responds to Qian Chuanchuan's mental queries and broadcasts information to her.
