At noon, the canteen of South University.

Ann, what are you thinking about? You've chewed your chopsticks off."

Ann looked back and found that she had made a row of deep teeth marks on her chopsticks. She was so lost in her thoughts that she didn't notice.

"Ann, you are absent-minded. Is something wrong?" Cassie asked anxiously.

"She just brought it on herself. The teacher has given her an impossible task and she is still racking her brains."

"That's what you said last time in the dorm. She wants Brandon back in class?"

"That's the damn thing. She's lost her mind thinking about it every day." Fanny grumbled disapprovingly.

"Ann,...