People Are on Earth and Gain Immortality at the Beginning.

Traveling to the Dragon Ball world, the system was accidentally bound. Bite! Discovered that aliens have invaded Earth. Ask the host to kill. Reward for completing the mission; body skills, improved combat power, and immortality. Frieza: "I, the majestic Emperor of the Universe, would die at the hands of a nobody." Xilu: "Damn it! How could such a terrifying person exist in this world?" Demon Puwu: "Can this still be considered a human being? This is obviously a super god, okay?" God of Destruction: "If he hadn't wanted to be the God of Destruction, my position would have been his." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.