Wandering? Earth!

System prompt: Host, your identity information has been cleared, and your current location is: the unknown world. The ultimate mission: return to the mother planet - Earth. If the mission fails, it will be assimilated into the world and disappear completely. An ordinary college student was thrown into the bizarre universe of novels. He has no golden fingers, only a cold task system. He has no backing and can only rely on himself to survive in every world. He is a savior and a destroyer; a hero and a villain. His identity is different in each world, but he has only one goal - to return home. Why him? Why Earth? What secrets are hidden behind the system? When he gathered all the clues to return, when he finally touched the earth's atmosphere... Only then did he realize that the real test might have just begun. The struggle and growth of an ordinary person in the world, a journey home to uncover the mysteries of the universe, start now! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.