Traveling Through Dragon Ball, Starting from Sweeping the Ninja World

Sun Dapao traveled to the Dragon Ball world and was fortunate enough to become a low-level Saiyan warrior. In order not to be destroyed by Frieza together with Planet Vegeta, he specially chose a planet outside the galaxy as his first mission target. But when Sun Dapao opened the door of the spaceship, he saw a group of ninjas wearing forehead protectors and summoning boulders and swamps with clapping hands! ?