They make the world’s smallest sushi, using a single grain of rice, at Sushiya No Nohachi in Taitō, Tokyo. We thought this video was a well-crafted April Fool’s joke, but it occurred to us they don’t celebrate April Fool’s Day in Japan — in fact, tiny sushi is traditionally made to celebrate the birth of a baby. That means this nano-nigiri is for real, and you need to see how it’s crafted by chef Hironori Ikeno.

Related: Make Your Own Sneaker Sushi With This Handy Guidebook

(If you’re still hungry after your grain-of-rice-sushi, they do make regular-sized as well).