Shu Fan is a harmless college student who lives his college life peacefully, but inadvertently falls into the world of imagination. There are endless horrors and weirdness in this imaginary world, and people will die on the spot if they are not careful! In order to survive, he struggled desperately in the world of imagination and had to find ways to become stronger. In the process, he gradually discovered that the main reason for the difficulty of survival was strength? Ability? Or luck? There are all of these, but they don't account for much! The fundamental reason turned out to be... Not thinking big enough...