One piece world, ninjutsu is invincible. Traveling to the world of pirates, Shu Mingyuan obtained a super invincible system that can be exchanged for various ninjutsu, physique, illusion, and celestial skills as long as he kills the evil pirate.
Chidori, Helix Maru, psychic, eight-door retreat, writing round eyes, reincarnation eyes, earth bursting sky star, tail beast... "Aka dog, when I look at it, your magma may be burned by my Amaterasu No more."
"The pirate conquered the sea to become the pirate king, and my dream is to stand on top of that world!"...