"What does a demon lack? What does a human have, that we do not? A soul? Family? Friends? A wife? What is it? I must know!" A wayward demon takes it upon himself to solve this riddle, to discover exactly what it means to possess a heart. But in doing so, he unwittingly causes all manner of chaos. Madness, silliness abounds! NarutoxHarem. NarutoxSayla? Rated M for a reason!