In Konoha, From the Start I Refined the Ninja World

Transmigrating into the Hokage world from the start, he becomes Miyamoto Shengu, the ultimate dead last at the Ninja Academy, and is about to face the threat of being held back and expelled. Fortunately, the God-Tier Refining System binds to him, and he begins by refining the entire ninja world!

Ding! Congratulations, Host, you have bound the ninja world. Refining officially begins.

Refinement progress: 1%! Congratulations, Host, you have gained top-tier cultivation talent, superhuman strength, superhuman neural reflexes, and a massive chakra reserve.

Refinement progress: 10%! Congratulations, Host, you have gained chakra of all natures, top-tier insight into Natural Energy, and the Kekkei Genkai: Sharingan and Byakugan.

Refinement progress: 50%! Congratulations, Host, you have gained the Eternal Mangekyō Sharingan, a pure Byakugan, and the ability to copy Kekkei Genkai.

Third Raikage: "Though I can take on ten thousand enemies by myself, when facing Miyamoto Shengu, all I can do is flee at the first sign of him. I wouldn't dare make an enemy of him!"

Minato Namikaze: "Shengu's Flying Thunder God is even faster than mine... His neural reflexes are simply terrifying."

Madara Uchiha: "Terrifying..."

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.