Fukuzushi, near Roppongi is great for a quieter (perhaps weekday team) dinner. It is a dinky, gorgeous, family-run restaurant, with sushi dominating the menu. The sashimi – especially tuna and salmon staples – are irresistibly delicious and the sake deserves your full attention. Two important tips. Get there early – it gets rather empty after 9pm – and make sure you get very clear directions – it’s remarkably difficult to find.