Uchiha Tamaharu, a member of the Uchiha clan in Konoha, discovers that even his hard-earned strength cannot save his clan from destruction. On the brink of extinction, he awakens a dungeon system, his first dungeon being the world of One Piece. To survive, he decides to escape to a new world with his clan. When the Uchiha return to the ninja world, it will be Konoha's end! The Uchiha clan, returning from their journey across the sea, will suppress all enemies in the ninja world!