Collapse of Iron: Travel the Universe on the Pioneering Train

(No system + Black Tower heroine + Invincible) The protagonist Feng Jing was summoned to a different world by Aha, but after various hardships (going crazy), he discovered that he was not a human but a virtual body. He was in the simulated universe of the Black Tower. Let's see how Feng Jing made this simulated universe come true! (The early stage was all in a simulated universe, so it was very confusing and boring.)