If Xue Song really has this kind of personality, he probably wouldn't bother to fake Qiao Yu's paper.
Yes, emotions have already been stirred up. If it turns out to be just a joke in the end, that would be such a shame.
...
In Star City, at Railway First Middle School, Qiao Yu also stretched his arms wide.
After having lunch in the cafeteria, he started to correct his senior brother's paper. Yes, correct, not revise.
Anyway, wherever he thought there was a problem, he'd mark it with a red line and then make a brief note or two of why it needed changes. But even so, it wasn't until the bell for the end of the second evening study session that he barely finished correcting the paper.
Today's greatest educational value for Qiao Yu was probably realizing that papers can be divided into different levels of quality.