This popular spaghetti restaurant chain offers both traditional Italian-style noodles and Japanese pastas, featuring ingredients like spicy cod roe, salmon roe, asari clams, natto and Japanese mushrooms.

There are some fifty different varieties to choose from, along with twenty-five optional toppings, so you can have a different bowl here every time you visit. (There's a handy top-ten list if you're overwhelmed by choice.) Pastas start at under Y1000.