Elder Sister and Younger Brother

"Sigh."

Old Dong was the security guard in the guard room of the residential area. He yawned as he was usually on night duty, so he was already used to it. Because his son's new house was being renovated recently, and his son and daughter-in-law were busy at work. He naturally had to keep an eye on it during the day. This undoubtedly reduced his original rest time, making him very sleepy when he was on duty at night.

However, he couldn't fall asleep. The surveillance cameras here were all open. If the higher-ups knew that he fell asleep during the night shift, it would be very difficult for him to keep his job. He forced his eyelids open, Old Dong touched his chin as he saw a girl walking over from the door. As she reached the safety door, it automatically opened.