In Japan, Phoenix Wright gets an unsettling phone call from Mayoi Ayasato, an old friend of his who is away training in the country of Khura'in. Khura'in runs its courts very differently from Japan: it has no attorneys at all, and the verdict in every trial rests with the oracles. This single-episode ONA prologue sets up a mystery built around that call and the lawyer-free nation where his friend is staying.