Mu Heng passed through the body of the orphan from the Third War, and when he woke up, it was the beginning of hell. Fortunately, the sign-in system arrived. He stayed in a corner of Konoha, signed for ten years, and never made any noise.
Do you think he is just an ordinary genin? The Ninja World War broke out, the Akatsuki organization came to the city, and just as Pain Shinra Tenzheng raised his hand - Mu Heng finally stopped and looked up at the sign-in panel with 3,650 layers stacked on him: the immortal body has overflowed, the Samsara Eye has signed in, the eight-door armor is fully loaded and running automatically, and the Buddha on top hangs in the background as a screen saver.
When everyone thought Konoha was about to end, he sighed and silently opened the achievement gift package marked "God of the Ninja World" in front of the entire Ninja World...