Start as Chaos Demon and join the chat group

A modern youth traveled back to the time before Pangu created the world. At this time, chaos was born, and three thousand chaos demons were just born, just becoming the legendary Shichen ancestor who controls the avenue of time.
"Welcome Shichen to join the chat group of all heavens and worlds."
Tony Stark: "Newcomers are here? Men, please show your face, and women, please show your photos."
Conan: "Welcome newcomers, please show your face."
Uchiha Madara: "Newcomers to the group, do you want to dance too?"
Shichen: "Chat group? I just slept in the One Yuan Club, how could this thing appear?"
Tony Stark: "..."
Conan: "..."
Uchiha Madara: "..."