The soul of Shen Yan, a college student in the modern history department, traveled through the life of Li Ju, the king of light, in the 23rd year of Kaiyuan, and faced the bloody death of "killing three sons in one day" two years later. In a desperate situation with no system and no special abilities, he finalized the two-pronged strategy of "hedonistic camouflage + dark cloth to survive and die". He used the interception of Populus euphratica Yuhuan as the first move to break the game. In the prosperity and undercurrent of Chang'an, he hastily but firmly established a life-saving foundation.