Sea Urchin Mojito

This sounds divine, from Nobu. A big chain indeed, but that's because he's done some wonderful things.

1/2 cup lime juice
1/2 cup Hokusetsu sake
2 tblsp white soy sauce
1/4 cup mint-infused syrup
9 large pieces of sea urchin (1.5 per person)
6 large mint leaves, finely chopped
3 shiso leaves, finely chopped
gooseberry (optional)

mint-infused syrup
1/4 cup sugar
1/2 cup water
1/4 cup mint leaves

1. make syrup by combining sugar and water in a saucepan, bring to a boil; remove from  heat and add mint leaves; cool to room temperature and strain
2. make the mojito mix; measure out 1/4 cup mint-infused syrup and combine with the rest of the ingredients
3. place sea urchin, mint and shiso into a shot glass
4. barely cover with the mojito mix
5. if you have gooseberries, cut in half and garnish each glass with one