Boil fusilli pasta in salted boiling water for 10 minutes.
Sauté chopped green onions and minced garlic in olive oil.
When the fragrance of green onions and garlic comes up, add thawed shrimp, zucchini, and shiitake mushrooms, and stir-fry.
Add the cooked pasta and stir-fry with the other ingredients.
Finish the dish by adding black pepper, oyster sauce, and pasta water, and stir-frying everything together.