In those twenty or so minutes, nothing out of the ordinary had occurred inside or outside the classroom; the only issue was that it was already seven o'clock in the evening, and still, not a single teacher had come.
But no one felt that anything was amiss.
After all, staying after school to supervise students was considered voluntary work, and it was common for the duty teacher to stop by if they had time; if they were busy or had gone home early, it was quite normal for only the members of the study group to be in the classroom studying by themselves until the end.
At this moment, everyone else was studying earnestly at their desks, except Xu Xiangyang who couldn't fully concentrate.
He roughly outlined the study plan he intended to give to Lin Xingjie after heading back and then stood up, once again approaching Zhu Qingyue and asked in a low voice,
"Excuse me for disturbing you, Zhu, what do you think?"