Why Can't I Roll Wrong?

In Hyakkaou Private Academy, your extracurriculars didn't matter in here, nor did your grades, what mattered was where you stood socially. Having good grades won't let you make it far in the high road, so what gets taught here? Tactics, reading an opponent, memorization and most of all the strength to conquer your opponents in intense gambling matches...all things Jerald J. Jameson was not the best when it came down to it. In fact, the only thing Jerald truly had was unimaginable luck. Will he survive this hellhole without becoming a house pet? God, he hopes so.