"The passers-by in the world of novels are the backdrop for the protagonist, the villains who end up miserable.
Once awakened and reborn, these regretful and unwilling souls were bound by the system and rewrote a brand new and familiar life.
World 1 [Era] The powerful, cruel and cold-blooded capitalists of the United States attack v. The kind-hearted and upward little pitiful sufferer
World 2 [Campus] The cold academic master attacks v the marginalized person with ear disease
World 4 [Ancient Farming Brother]
World 5 [Mermaid variant]
World 6 [Zerg]
The order is not fixed
Purpose: Seize destiny