Mu Lingxi was planning to visit Schoolmaster Yin's office that night, alone.
She does not wish to disturb her friend's rest that is why she did not wake anyone of them.
But when she comes out of the bathroom after getting changed, Mu Lingxi saw that the lights of the room were already turned on.
All of her friends were already awake and was staring at her with the same questioning look in their faces.
"Where are you going???"
Yun Xue asked when he saw that Su Yan (Mu Lingxi) was not wearing a pajama and looked as if it was planning to go out in the middle of the night.
He heard Su Yan (Mu Lingxi's) was whispering and talking to someone else.
That is why as soon as his friend runs to the bathroom, he immediately turned on the light to see who he was talking to.
But he soon realized that there is no one inside the room aside from them.