Konoha: I Talk About Being a Teenager Crazy

Travel through the world of Naruto, become a veteran of a hundred battles, and obtain the most powerful grandpa system when he is dying. Experience the character's life and gain the character's abilities. Dragon Tiger Mountain Celestial Master Zhang Zhiwei, Hunter Association President Isaac-*Tero, the Strongest Death God Yamamoto Yusei Shigekuni... "My chakra is like a stream to the sea in front of him!" Senju Hashirama looked incredulous. "His Hundred-Shiki Kannon versus my Perfect Susanoo is like an adult beating a child!" Uchiha Madara's face was full of despair. "As long as he wants, he can burn this ninja world to the ground at any time." Da Jian Mu Kaguya's eyes were full of horror. "What are you talking about? Isn't he an old man who runs a bookstore?" Uzumaki Naruto asked in confusion. "We thought so too at first!" Kakashi, Uchiha Itachi, Uchiha Shisui, Namikaze Minato... Complained in unison. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.