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nyotaimori

n. The practice of serving sashimi or sushi on the (usually naked) body of a woman.

Wikipedia
Nyotaimori

, often referred to as "body sushi", is the Japanese practice of serving sashimi or sushi from the naked body of a woman. refers to the same practice using a male model. The Japanese practice of nyotaimori – serving sushi on a naked body – is said to have its origins in the samurai period in Japan. In the words of chef Mike Keenan, "The naked sushi idea began during the samurai period in Japan. It was a subculture to the geishas. It would take place in a geisha house as a celebration after a victorious battle."

Nyotaimori originated in Ishikawa Prefecture and continues to be practiced there.