Walking Through the Heavens in the Super Seminary

18 Years, 18 years of being a slave. This world is really unfair! "Actually, the world is fair." Suddenly, a neutral voice sounded in Jiang Ming's mind. "Who are you?" Jiang Ming instinctively felt fear and asked in a low voice. "I, I am the system of all heavens and worlds, The story of a weak man who traveled through time and worked as a slave at the Super Seminary for 18 years, obtained the system, traveled around the world, and slowly rose to prominence. The main world super seminary, the introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.