Four-year-old Mianmian picks up a system and accidentally travels with the special forces soldier Zhuang Yuanli to the cultivation world of Kyushu. Relying on the system to harvest affection values to exchange for elixirs, she accidentally cures Qiao Yang's chronic illness to help him form his core, and at age four tests out with top-tier dual spiritual roots, causing a sensation in the cultivation world. She rejects the top-tier Xuantian Sect and chooses the weak Canyang Sect. Afterwards, everyone deals with the demons, gathers points to unlock cross-plane transmission, and returns to the modern world with cultivators and powerful demons, bringing out immortal cultivation elixirs and cultivation methods to help the motherland develop, kicking off a new era of nationwide cultivation.