C281 Sweet Days 6 Knock the Door Open

Mingxi walked to the door on the third floor and was about to open it when she saw that the door was locked from the inside. She frowned and raised her hand to knock on the door, "Hey, Xue Qijing, open the door! Hey, open the door!"

"Xue Qijing, open the door! Hey... Mingxi knocked on the door for half a day but there was no sound inside