Junya's grandfather is a billionaire who keeps the secret to his success hidden in a heavily guarded safe. His mother is a martial artist who wields a razor-sharp katana-and seems to read his mind. And a mysterious girl in a Japanese school uniform can knock him over-literally-with just a look. What do they know that he doesn't? Junya's life takes a dangerous turn on his sixteenth birthday, when someone sets out to destroy not only the family's business empire-the one that he's set to inherit-but Junya himself. He's fighting for his life, and doesn't know who to trust. What has his family...