Oliver, a young black man who came to learn about Japanese culture, ends up staying with a married woman, Ai, for a week. Ai is drawn to Oliver's serious and sincere love for Japan, and teaches him about various good things about Japan, such as its cuisine and culture. One day, she happens to see Oliver after taking a bath. Ai was so shocked that she was left speechless by the thick, long, shiny black penis that towered between her legs, and ever since then, she has been unable to get Oliver's penis out of her head...