One Piece: I'm Kakashi Hatake, and I'm Joining the Paramount War!

Kakashi transmigrates to the world of One Piece and uses his abilities to copy Devil Fruit powers without limit!

I am Kakashi, the Copy Ninja!

The Ice-Ice Fruit? Copy!

The Magma-Magma Fruit? Copy!

Pops, your Tremor-Tremor Fruit is amazing too! Copy!

Not only does Kakashi have all kinds of ninjutsu and the power of the Copy-Copy Fruit, he can also awaken the Mangekyo Sharingan.

Susanoo! Activate!

The Paramount War erupts!

The Marines' Three Admirals are shocked. Is that the strongest commander from the Whitebeard Pirates?

Aokiji: Huh? Why can he use Ice Age too?

Akainu: He can unleash magma too?

Kizaru: N-n-n-no way, he can use Yasakani no Magatama too?

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