The emoji, invented by Shigetaka Kurita in 1999, has become a popular form of communication and a ubiquitous feature of modern digital communication.

Matsuyama is a city located on the island of Shikoku, and is known for its historic castle, hot springs, and literary history.

The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.