When Jiang Yan fell asleep while doing the paper, he was suddenly hit by a hammer, and the person who hit Jiang Yan was actually a mini-villain who claimed to be a mathematician. Since then, various academic villains with strange personalities have appeared, but they all have one thing in common. They are quite experienced in punishing Jiang Yan who does not study hard. From then on, Jiang Yan embarked on the path of struggling in pain and screaming repeatedly.
Purpose: Necessary conditions for a scumbag to counterattack: Supervision