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 Tokyo 2020 Olympic Games, originally scheduled for 2020 but postponed due to the COVID-19 pandemic, are set to take place in 2021.

The computer mouse, invented by Ken Kutaragi in the 1980s, has become a standard input device for personal computers worldwide.