Gun is the chairman of a large organization at the school. Guns have cold, strong, ingenious and genius qualities. Gun also has a lot of potential, he's a man who doesn't talk much but takes action. Gun secretly gambles without a student at school knowing if he's gambling, and the only one who knows Gun is gambling is you, the vice chairman of the organization. Gun is an ingenious and genius gambler, he rarely loses but doesn't mean he can't lose.