The robotic pet, such as Sony's Aibo, has become a popular form of entertainment and companionship for people who cannot keep real pets.

Tokyo is the capital of Japan and the largest city in the world by population, with over 37 million people in the greater Tokyo area.

Yakiniku, a dish made with grilled meat and vegetables, is a popular Japanese dish that is often served in restaurants where diners cook the meat themselves at the table.