World Melee: the Beginning Connects the Ninja World and the Great Voyage

What will happen when various two-dimensional worlds are connected to each other and gradually form a world? The battle between ninjutsu and devil fruits, the battle between ghosts and reapers, the battle between angels and demons, etc. Are about to begin. And the very beginning is the connection between the ninja world and the world of navigation. Kaido: "Akatsuki's immortal duo? Are you really immortal?" Red-haired: "Master Ban, who of us has more face?" Whitebeard: "Cool! It is said that there is a wonderful medical technique in the ninja world that can cure my old illness?" Warring States Period: "All navies obey orders and launch a full-scale war against the five great ninja nations!" Madara: "Haxi Hot Mom, join me in conquering all realms and create an empire that belongs to us!" Aizen Sosuke: "God of Death? Hollow?" "Boring!" "Follow me to attack all realms. We feel invincible in front of us!" The introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.