Koushi Inuzuka is heir to an ancient family tradition of powerful martial arts. Unfortunately for his father, Koushi wants absolutely nothing to do with such dangerous things. His goal is to become an avenging prosecuting attorney, turning him into a bookworm that his father simply can't understand. Still, Koushi finds a great deal of comfort both in his studies and in the structure of law.Until the day that Momoko Kuzuryu, daughter of another great house, drops into his life and demands that he, the last scion of the strongest family of bushido martial arts, sire a baby with her.From that moment on, Koushi is forced to think and act faster than ever before as ever-stronger opponents appear to challenge him. The race to stay alive hinges on unlocking memories from his suppressed past and, possibly, unleashing his forgotten physical courage. And somehow, at the center of all those memories, stands Momoko.How can a wimpy bookworm survive the attention of skilled assassins for long? Then again, his opponents are discovering that some forms of strength have nothing at all to do with muscles or techniques...