Xia Chengfeng died in an accident, but his soul did not disappear. Instead, he entered a second world that is completely opposite to our world: a world dominated by ideas! There he saw things that science today has yet to discover and prove. Professor Jin, who went to investigate the second world, was attracted by Xia Chengfeng's huge mind control ability, and decided to take the risk of bringing him to our world to prove his scientific point of view. So, what kind of tests will a soul that comes to the human world undergo, and what adventures will it encounter? …