Boil the spaghetti noodles.
Stir the natto well to loosen it.
Chop the garlic and sauté it in olive oil.
Add the boiled noodles to the pan and mix with the sautéed garlic.
Add natto and soy sauce, and toss everything thoroughly.
Serve the finished pasta on a plate and garnish with sliced green onions or seaweed flakes.