The Shibuya incident is an event that happened in Tokyo, Japan in 2000. It happened when a masked man fell off a building and killed will people. It's called an "incident" because it was so shocking and unexpected. People were scared and confused. No one knew what was happening or why it happened. Police had to investigate the scene to try to figure out what happened. Many people were affected by the tragedy and it was a very sad moment for the people of Tokyo.