At the End of the Day, I Go Back to Before Everything Started

Gu Chen originally had a God-given opportunity. Before the end of the world brought about by the dark invasion, he became one of the first chosen people. He bound the system ten days before the end, and also gained skills with infinite growth. However, due to his personality, Gu Chen did not seize the opportunity and regretted it in the end. Now that he was back before everything started, everything still had a chance. This time, he's going to go completely crazy. "Before the dark invasion begins, I will have invincible power." Gu Chen must seize the opportunity this time. At the same time, this time, he wants to defeat the dark invasion, and also protect the most important person. "I will protect the earth."