The emoji, invented by Shigetaka Kurita in 1999, has become a popular form of communication and a ubiquitous feature of modern digital communication.
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.
Japan's recorded history dates back to the 5th century AD, when the first known emperor, Emperor Jimmu, ascended to the throne.