The son and heir of the head priest of the Kumano Shinto shrine. Nachi runs across Sarasa while hunting the largest whale in the seas in his region. Nachi is a merchant with a bold, optimistic personality, and he speaks with a strong regional accent. Nachi is a member of the Tengu youth organization with his friend Hijiri, and serves as second in command. He is knowledgeable about survival skills, and comes to Sarasa's aid numerous times.