Ninja World: Infinite Sage Mode at the Beginning

Go through the long gate of childhood and get the anti-routine system. Nagato: "Counter-routine? I'll just blow up my samsara eye. That's enough of a counter-routine!" Under Black Zetsu's heartbroken gaze, Nagato smashed a Rinnegan. As a result, he received system rewards and obtained the Thunder Fruit. From then on, natural energy is him, and he is natural energy! Tsunade: "That guy is the God of Thunder!" Jiraiya: "Infinite senjutsu chakra? Are you kidding!" Orochimaru: "He is the reincarnation of the immortal!" Madara: "After Hashirama dies, he will be my only opponent!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.