The word kaomoji is also synonymous to be referred to as Japanese emoticons. Japanese are very emotional and creative nation. Therefore, in Japan emoticons are popular as nowhere in the world. Japanese believe that eyes are the mirror of a human soul. Therefore, unlike Western emoticons where most attention is paid to mouth, in Japanese emoticons the most important part are eyes.
What does it mean when an anime or manga character gets a bloody nose, or grows a giant sweatdrop next to her face? All these are uniquely Japanese symbols used in anime and manga, intended to communicate a particular emotion. Embarassment Blushing is a common way of showing embarassment or romantic feelings in any culture.