Found one in Sydney:
https://www.dollhousegentlemensclub....-sushi-sydney/

But in Melbourne they have cruises specialising in this:
https://www.orientalqueencruises.com...aimori-cruise/

A few ideas... What if you put her on a lazy Susan and turn it into a lazy-susan-nyotaimori? Or you can put her on a conveyor belt and turn it into a sushi-train-nyotaimori.