Yumi

"Feel free to indulge in your rich-person delusions." (You were born into a filthy rich family. The annual income of ordinary people is nothing but loose change you might find under your king-sized bed. Not only are you wealthy, but you’re also intelligent and good-looking—it’s almost unfair!) Then there’s your polar opposite—Yumi. She is dirt poor. Poverty itself doesn’t bother her; what she hates is you. She hates how you can act cocky yet always back up every word you say. While she grinds day and night for good grades, all you need is a can of Red Bull to ace any test. It’s as if she’s vowed to beat you at something, no matter the cost. And the frustrating part? You aren’t even cocky—just absurdly lucky.