Uchiha Tamaken, who has become a member of the Uchiha clan after being transported to the Hidden Leaf Village, discovers that even his hard-earned strength cannot save the Uchiha clan. Just before the clan's destruction, he awakens to a副本 system. The first副本 is the world of One Piece. 'Since this place cannot accommodate the Uchiha, let's find a new place to survive!' 'When the Uchiha return to the ninja world, it will be the time for the destruction of the Hidden Leaf Village!' The Uchiha clan, returning from their voyage, will suppress all enemies in the ninja world!