Start with Uchiha to escape and sail

Uchiha Yugen, who traveled to Konoha and became a member of the Uchiha, found that the strength he had worked hard to gain could not save the Uchiha. Before the clan was about to be exterminated, he awakened the dungeon system.

The first copy is the world of One Piece.

"Since this place cannot accommodate Uchiha, then find another place to survive!"

"When Uchiha comes to the ninja world again, Konoha will be destroyed!"

The Uchiha clan returned from the voyage and suppressed all enemies in the ninja world!