I Didn't Make a Mistake

As the class ended, Su Bing was ready to grab his lunch box and head to the cafeteria to meet his younger brother. However, before he could even step out of the classroom, he was stopped by the hurried arrival of Gao Ming. 

It was then that he learned of the unfair treatment his brother, Su Li, had been subjected to. 

Dropping his lunch box, he rushed over immediately. He knew that although Su Li appeared more lively and cheerful than himself on the surface, he was actually quite sensitive. At this moment, his brother would need him.

Fortunately, Su Bing arrived just in time. 

Su Li was originally timid, but hearing his brother's words and seeing him walk to his side, he felt greatly encouraged. He looked up and firmly denied, "Teacher Zhou, I did not make a mistake. According to what you said, it's because I come from the countryside, so you don't let me sit with other students, not because I made a mistake."