This research analyzes Japanese and Korean used as role language in internet communities. The analysis centered on 926 examples of Japanese and 165 examples of Korean collected in two sites, Japanese “2ch” and Korean “DC inside”. Results can be summarized as below. (1) The use of Japanese as a role language in the Korean site is seen as a playful tool in the conversation and has a soft image. Role language is used mainly by learners or former learners of Japanese. (2) The use of Korean as a role language in the Japanese site addresses Korea or Koreans in a negative way. For instance, the use of the softer verb ending “seyo” is very rare compared to “nida”, and the mark < `∀´>, which expresses an angry face, is often seen. Korean role language reflects the image of pre-war? Koreans, nowadays’ Koreans and Koreans born in Japan. (3) On the other side, “seyo” as a role language used with a playful function in Japanese mass media communication has a soft image. It reflects the positive image of nowadays’ Korean society and Korean people.