At 10:30 p.m. in the park behind Tongji Secondary School, seven children came out of the park, one by one with cigarettes in their mouths and staggered out.

The first one is Liu Xiaofeng, who is the head of this group of children, walking quickly and warning: "When you see Mr. Li next, you must not say anything wrong, do not understand?"

"Feng Ge, you have said many times, can we not listen to you?" Another child came back.

"I'm just afraid you'll say something wrong. If you make Mr. Li angry and don't take us with you, you'll be in trouble. This time, Mr. Li came to me with...