What's so funny about this?

iddle of the night, I woke up to use the restroom. When I got back into bed, it was already late at night.Fumbled for my phone and glanced at the time, it was past two in the morning. The other side o...d, jumped up from her chair and rushed to Lin Jinyan's side.Instead, Lin Jinran calmly said, “Come in.”The doorknob turned, and then the door swung open.To everyone's surprise, standing at the door wa...