Through the small special glass window, he saw her squatting in the corner and playing with a piece of chalk attentively. Her waist-length hair was cut short at the base of her ears and was messy. A few strands of broken hair fell in the corners of her eyes. She stretched out her dirty hand and wiped it, and suddenly her face was covered with white chalk dust.
He subconsciously stretched out his hand, but what he touched was the cold iron door. He called her softly: "Xiao Che, I'm here to see you." She didn't hear him and just kept scribbling on the ground. At that moment, he retracted the hands in his sleeves and clenched them into fists.
He said: "Xiao Che, let's go home." But she no longer recognized him.