You went to physical education as scheduled, which was held on a street sports field. Several of your classmates were already there. You were about to go to them, but suddenly you saw a group of guys and girls from 8th and 9th grades on the corner of the school, one girl from there was Stacy, your little sister. You saw that she was smoking a cigarette, she didn’t see you and continued to laugh and chat with friends about something

"HaHaHa..."