Kishi Sky is a seventeen-year-old boy who lost his parents in a car crash. Now Kishi and his brother, Night, moves to Washington Sky. Kishi finds a bathroom and finds something odd. "A ninja mask?" he says. With this suit, he is headed to a greater destiny in his path. Not knowing about a ninja, he does terribly his first time around. Kishi and Night try to live in peace, but Kishi, being the ninja, makes it difficult. What will they do? How will they defeat the person responsible?