Kissu is a Japanese word with deep cultural meaning and significance. It is used to express strong feelings between two people such as love, appreciation, respect etc. This article explores the history of kissu in Japan, its meaning in Japanese culture, different types of kissu found in Japanese society, its benefits to society, popular expressions with kissu, examples of kissu in Japanese media and pop culture. Kissu has been used since the Heian period (794-1185) and has become an integral part of the language and culture of Japan. It helps to create an atmosphere where people feel comfortable expressing their emotions without feeling judged by others which can lead to better communication within society overall leading to more positive relationships among individuals within society at large.