"Ding dong! Congratulations on defeating Uchiha Itachi! You have received 2 Nine-Tomoe Rinne Sharingan fragments."
"Ding dong! Congratulations on defeating Orochimaru! You have received the Kamen Rider Card Power!"
"Ding dong! Congratulations on defeating Kaguya Otsutsuki! You have received the Divine Tree's Forbidden Fruit!"
Chang Shengye transmigrates to the Hokage world. He becomes a genin at the age of four and awakens elemental chakra, making the rest of his life seem like he's got cheats enabled.
But in reality!
"You may think I'm a genius, but that's not the case! I simply saw through your weaknesses!"
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.
Excellent! Comparing peeing with Itachi Uchiha, awesome
Why don't you give him the system? Wouldn't it be interesting?