Ultra: Sign in and Become Invincible

Han Xingyun, a young man who is idle in society, staged an old-fashioned time travel with the help of a dump truck. Han Xingyun looked at the pyramid in front of him with a confused expression. At this moment, a mechanical voice came from his mind, "System binding." "10" "9" ".." "3" ".." "1" "System binding successful" "The check-in system is at your service" The journey of a lucky young man begins If the new author doesn't like it, don't criticize it This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.