In the eyes of the students, Xu Zhuang Zhuang's goal was obvious. After all, the boy was rather large. In addition, the look of satisfaction over his stealthy actions said it all.
However, Little Celery and Wang Yaning did not discover the boy as they walked. This was because most people did not look behind them when walking. Who would be cautious and think that someone was following them? Besides, they were young and innocent primary school students... Well, perhaps Wang Yaning may be capable of deeper thoughts, but her mind was mainly on pleasing the teachers and not engaging and deterring spying activities.
However, behind a predator was another predator that saw it as prey. Xu Zhuang Zhuang did not expect it, but he was being followed by someone else. This person was, of course, Zhang Zian.