The human body renews its cells every 120 to 200 days, and the system that hosts the human body is also replaced, and its cycle is 30 days. Starting from the Ou Shen system, Wang Jinyi, who was released as a pigeon, was possessed by Ou Shen at the anniversary party, and the opening Just go from the trough to the peak! What awaits him is more unknown Xiuer systems in the future... [This book is also called: "A Book Takes You to Read System Flow Novels!"] ps: Daily life, relaxed and humorous style .