Super Power World: I Am the Spokesperson of Death

The male protagonist travels through a different world, where the land of pirates and ninjas merge. As the spokesperson of the God of Death, let's see how the male protagonist competes for hegemony in the different world... There are various ninjutsu and various devil fruits here. The Fourth Ninja World War and the struggle for hegemony between the Pirate King are intertwined. Who wins and who loses when comparing the abilities of ninjutsu and fruits? Ninjas and pirates, who is the stronger one? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.