Sun Xiaqing's face looked unpleasant. Even though E Ren was doing better than him, they were colleagues after all. To not give him any face in front of students and parents made him quite embarrassed.
From the perspective of this fight, Gu Chen was wrong to hit someone, but in terms of the whole incident, your nephew He Mu was the one who made the first mistake.
Now that they have compensated and apologized, you're demanding they kneel and slap themselves in humiliation, that simply doesn't make sense. Sun Xiaqing is straightforward and avoids conflict but he couldn't stand watching this.
He temporarily decided to ignore all the possible consequences. After all, Gu Chen was his student. Just as he prepared to argue with reason, Gu Xiaoxian shot him a grateful glance and spoke first, "Teacher Sun, we've troubled you too much with this matter."
Then she turned to E Min, her eyes showing determination, "We've done what we should. If you don't accept it, there's nothing we can do."
