Sign-In at Konoha: From the Start, I Had the Dragon-Dragon Fruit

He transmigrates to Konoha Village and becomes an ordinary ninja, only to unexpectedly activate the Devil Fruit System.

Zoan type, Mythical Zoan, Dragon-Dragon Fruit, Azure Dragon form.

Can he take on those monsters with taijutsu alone?

Uchiha Sasuke: "Ever since I killed Itachi, he's been my one and only target to surpass!"

Six Paths Pain: "Postpone the Nine-Tails capture plan for now. We'll wait until that guy is out of the village."

Uchiha Madara: "He's the one unpredictable factor on the battlefield. I have a feeling he'll be the reason my years of planning fail."

Minato Namikaze: "I never imagined my son would have such an incredible friend..."

He's invincible from the start. No saintly mercy, no holding back. If someone deserves to die, he won't spare them!

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