High-school beauty Umaru seems like the perfect teen wunderkind, but she's hiding a shocking double life. As soon as she gets home, she becomes a junk-food-inhaling, soda-guzzling, video-game-addicted slob. The only one who sees this unsavory side of Umaru is her beleaguered older brother Taihei, who does his best to keep up with his work while...