The Japanese are a very emotional and creative nation. Therefore, in Japan, emoticons are more common than anywhere else in the world.
Japanese emoticons are extremely diverse. On the Internet, you can find the number 10,000, but in fact there are many more. This diversity is explained by at least two factors:
unlike Cyrillic and Latin, which are most often written in single-byte encodings, Japanese writing requires at least two-byte encodings with a wider character coverage
kaomoji can denote not only individual emotions, but also complex actions, and their combinations even whole stories