Chen Cheng died suddenly and was bound to the Bankai System after working overtime. He originally wanted to choose a retirement world, but the system backhanded him and threw him into the ancient era of Naruto. He also smiled and prompted: [Leisure life has begun]; he married Kaguya, gave birth to Hagoromo Hamura, and unified the country of his ancestors. He just thought he could lie down, and the next second he was transported to the night of the Nine Tails. His identity: Uchiha passerby chuunin, equipment: empty column × 6, death countdown: 17 minutes! Chen Cheng (sneered): "You call this pension?" System: [Host's mood swings detected, mission updated: Save the Son of the World. ] From then on, he relied on the equipment slot to inherit the Sharingan, relied on the information gap to command the Hokage, and relied on his words to clean up the Uchiha... No, why should a passerby Chuunin rewrite the ninja world? !