The monsters invaded, I was suddenly invincible

Li Yuan has traveled to a world of global mutation, full of monsters and monsters.
Just as the monster attacked the city where he was, he thought he was about to close his eyes and wait to die, but he didn't expect to activate the [One Punch Super God] system directly.
He can keep getting stronger just by throwing a punch!
There is nothing in this world that can't be solved with one punch, if there is, then another punch!

Novel keywords: Monster Invasion, I am suddenly invincible No pop-up window, Monster Invasion, I am suddenly invincible