High-school student Kyousuke doesn't get along with his cranky, dismissive, and secretive fourteen-year-old litter sister Kirino, but he suddenly finds himself forced to protect Kirino's secrets—she's not only a gorgeous fashion model, a track star, and an accomplished student, but she's also obsessed with naughty video games and little kids' fantasy anime! How can Kirino maintain her complicated lifestyle—and how can Kuousuke maintain his sanity? And might the tow of them, some how, just maybe, ever become friends?
