C28 The World of the Rich!

"Country bumpkin, you clearly have no clue. Let me enlighten you: this door lock is smart—it has facial recognition technology, so there's no need for a key!"

Hu Yang was momentarily taken aback, then it clicked. When he had followed Wang Peng here earlier, Wang Peng had paused at the door, seemingly pressing something.

He must have been using the facial recognition to unlock it