What will happen when a class that seems to be harmonious but is actually full of internal strife travels to "Earth Online"? Do you choose to endure humiliation and obey in order to survive, or do you continue to fight within yourself and distrust each other, thinking that you can survive on your own, but are used as a stepping stone by others? The simple protagonist believes that unity can defeat everything, but he does not know how many insidious and cunning methods are behind this "unity". They are even willing to commit the crime of killing for so-called benefits. Beneath the hypocrisy is naked cruelty. It is also the most real look of this world...
Concept: After traveling through the book, the protagonists are slowly growing up and becoming mature despite many difficulties. Step by step, peel back the hypocritical skin of the world and see clearly its bloody flesh and the sinister nature of human nature.