Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.
The robotic pet, such as Sony's Aibo, has become a popular form of entertainment and companionship for people who cannot keep real pets.
Dashi, a type of stock made from fish and seaweed, is a key ingredient in many Japanese dishes and is often used to add flavor and umami.