What kind of world is this?

"Don't go!"Madsen hurried over.
His mother Liu Jinfeng was critically ill and needed to pay medical bills, but the family did not have enough money.
So Madsen ran straight to the school to find the culprit Wu Tianci. Along the way, he found out that this group of rich second-generations were in the boulevard.
A living person blocked the middle of the road. Several luxury cars had to stop and roar. One of the rich second-generations stuck his head out and said in a very disdainful tone,...