The Hidden King of Amegakure: My Ninjutsu Depends on Grinding

After transmigrating to the Land of Rain just after the Second Great Ninja War, Jiang Duan misses his chance to become Jiraiya’s apprentice. He decides to lie low in a small village on the outskirts of the Land of Rain and learn some ninjutsu. He has no particular talent, except that he can grind away at a task endlessly, day and night. 【You noticed a ninja using the Clone Jutsu and tried to imitate the hand signs. Your Clone Jutsu skill has improved!】 【You have used the Clone Jutsu 1,000 times. Unlocked: Shadow Clone Jutsu!】 【You have used the Shadow Clone Jutsu 1,000 times. Unlocked: Multiple Shadow Clone Jutsu!】 【You have mastered all the prerequisite ninjutsu. Unlocked: Spirit Transformation Jutsu!】 After countless sleepless days and nights of grinding, Jiang Duan finally decides to head to Konoha. With the Spirit Transformation Jutsu, he can keep himself safe! Until he arrives in Konoha and sees Tsunade standing at the village entrance. “What do you mean, I’m the amnesiac Kato Dan?”