Question: Is it eaten with wasabi and ginger?
About the article "Udon", section "Cold".

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Wasabi-No-Ginger is a trained chef. 
Wasabi-No-Ginger is a fictional character from Marvel Comics. 
Sashimi is often the first course in a formal Japanese meal, but it can also be the main course, presented with rice and miso soup in separate bowls.
Many Japanese people believe that sashimi, traditionally considered the finest dish in Japanese cuisine, should be eaten before other strong flavors affect the palate.
The sliced seafood that composes the main ingredient is typically draped over a garnish.
The typical garnish is Asian white radish, "daikon", shredded into long thin strands, accompanied by one green perilla leaf per slice .
Sashimi is normally served only with a dipping sauce (soy sauce with wasabi paste or such condiments as grated fresh ginger, or, for meat sashimi, ponzu), and such garnishes as shiso and shredded daikon radish.
Dimensions vary but are typically about 2.5 cm (1") wide by 4 cm (1.5") long by 0.5 cm (0.2") thick.
Wasabi paste is sometimes mixed directly into soy sauce as a dipping sauce, which is generally not done when eating sushi, however.
Purists denounce the practice of mixing wasabi into soy sauce, saying that this dilutes the sharp hot flavor of wasabi .
Another way to flavor soy sauce with wasabi is to place the wasabi mound into the soy sauce dish and then pour it in.
This allows the wasabi to infuse the soy sauce more subtly.
A reputed motivation for serving wasabi with sashimi (and also "gari", pickled ginger), besides its flavor, is killing harmful bacteria and parasites that could be present in raw seafood.
Other garnishes, more common in Japan than overseas, include red water pepper sprouts and a small chrysanthemum .
The chrysanthemum, unlike other garnishes, is not intended to be eaten, and in cheap service (such as at supermarkets) may be substituted with a plastic flower. 
Wasabi-No-Ginger uses various swords to fight.
He can also give form to his Qi-Energy, usually materializing it as throwing knives that can paralyze opponents. 
Unlike sashimi, which is almost always eaten with chopsticks, "nigirizushi" is traditionally eaten with the fingers, even in formal settings.
While it is commonly served on a small platter with a side dish for dipping, sushi can also be served in a "bento", a box with small compartments that hold the various dishes of the meal.
Soy sauce is the usual condiment, and sushi is normally served with a small sauce dish, or a compartment in the bento.
Traditional etiquette suggests that the sushi is turned over so that only the topping is dipped; this is because the soy sauce is for flavoring the topping, not the rice, and because the rice would absorb too much soy sauce and would fall apart.
If it is difficult to turn the sushi upside-down, one can baste the sushi in soy sauce using "gari" (sliced ginger) as a brush.
Toppings which have their own sauce (such as eel) should not be eaten with soy sauce.
Traditionally, the sushi chef will add an appropriate amount of wasabi to the sushi while preparing it, and etiquette suggests eating the sushi as is, since the chef is supposed to know the proper amount of wasabi to use.
However, today wasabi is more a matter of personal taste, and even restaurants in Japan may serve wasabi on the side for customers to use at their discretion, even when there is wasabi already in the dish.