Ding Yiyi had planned to send the child home immediately, but when he saw the child dirty, and looked more haggard and silent than when he first saw him, he was afraid that she would be more upset, so he wanted to tidy up the other side.

Xiaojie followed his mother's colleagues into the magnificent door. The doorknob was white. When he walked in, he held the doorknob in his hand. When he loosened his hand, he found that there was a stain on the doorknob. He blushed and planned to wipe the stain away quietly.

"What are you doing, Xiaojie?" Ding Yiyi, who was walking ahead, did not notice...