He traversed the world of shadows and ended up becoming the shadow's younger brother.

He intended to replace Shadow as the master of Shadow Garden, but unfortunately he lacked magic power.

The only way to get him to transfer magic to me is by giving him money.

As time went on, Ark realized that no one but Shadow was his match anymore.

The seven shadows of the Shadow Garden have all fallen in love with him.

The Shadow Garden has become his own; Shadow is just a figurehead tool.

This book is also known as "Invincible Starts from Naruto", "Naruto Fun Man", "As an Uchiha, What's Wrong with Being a Little Crazy"

He starts with a "deep blue panel", but unfortunately he is a "mental patient". As a "master of pranks" and a "fun person", he wants to bring more joy and "famous scenes" to this world that is often accompanied by sadness and pain.

Act I:

Let Uzumaki Naruto take back everything that belongs to him and let Konoha feel the pain!

Uzumaki Naruto: I won't harm the village!

A time traveler smiled: It’s okay, I’ll help you!

…

"It was the Hokage who betrayed Konoha!"

"Uzumaki Naruto, I invite the Third Hokage to die today!"

…

Act II, Act III…