"I am the System Supplier of the Protagonists" tells the story of the protagonist Su Bai, who uses the mysterious "system supplier" identity to use systems from all over the world to give others powerful power, thereby collecting will power and gradually expanding his own power. Initially, he could only choose from abandoned systems, and helped Zhang Laizi, the janitor of the Su family, to regain a new life by distributing the "Pig Killing Explosive System" to him. With the accumulation of will power, Su Bai gradually broke the shackles of the traditional immortal cultivation system, challenged more powerful enemies, and controlled the entire Qingzhou City. The novel combines elements of system flow and immortality, explores power, choice and fate, and presents a fantasy world full of adventures and challenges.