In a pot, bring 4 quarts of water to a boil. Add 1/2 tsp. salt and 1 tsp. oil.
Boil the water and add the macaroni to the pot.
Boil uncovered, stirring periodically, for 7 to 8 minutes for authentic "al dente" pasta.
Remove from heat and drain water from the macaroni and set aside.
Peel the carrots.
Wash all the raw ingredients (Carrots and Celery).
Minced the celery.
Grate the carrots and set them aside.
Shred the imitation crab and set it aside.
In a large bowl combine All the Ingredients (Elbow Macaroni, Imitation Crab, Mayonnaise, Carrots, Celery, Onion, Black Pepper, Salt, Sugar, and Hon Dashi.)
Mix very well with wooden a spoon.
Refrigerate macaroni salad at least for four hours for good outcomes.
Before serving, mix well and add more mayonnaise if needed.