Konoha: on the Eve of Graduation, the Sign-In System Is Activated

Twelve years into the world of Naruto, the ninja school graduation exam is approaching. Hoshino Hezhen finally waited for the activation of the sign-in system. When He Zhen used Ye Kai, who had used the most powerful physical technique [Eight Door Dungeon], to almost defeat Madara Uchiha with one move, Madara Uchiha said: In terms of physical technique, among those who have fought against me, no one is better than you. I, Madara, would like to call you the strongest! Kai: I'm shocked, Xiao Li! This is burning youth. When He Zhen used the true strongest eye [Reincarnation Eye + Eternal Kaleidoscope] Susanoo, Uchiha Sasuke: Could it be that He Zhen is a member of the Uchiha tribe! . When He Zhen used the strongest endurance [Sage Body + Ten-Tails Chakra Amount] Six Paths Sage mode appeared, Otsutsuki Kaguya: Why does he have Ten Tails Chakra in his body, Black Zetsu: Why can he have the Six Paths Sage body...