Super Seminary: I Am Invincible, You Can Do Whatever You Want

(Protagonist: Qin Yu is not completely invincible. Don't blame me. Readers can feel free to give their opinions. This is my first time writing a novel) Qin Yu was originally an ordinary young working man on Earth. After undergoing high-intensity 996, he received a box lunch and became one of the many time travellers. He first traveled to the Manwei Universe and obtained the sign-in system. After signing in for a hundred years, he was already invincible. Just when he was about to show off his skills, he was suddenly transported to the Super God Universe by the system... Unknown forces are rioting. What is the void that Karl calls? As for the last step, can the protagonist take it... Don't read this book with your brain in mind, otherwise you may not be able to stand it.