The term 'ZAINICHI', which is used to describe the foreigners who were born in Japan, represents this issue. Although 'ZAINICHI' is frequently used as discriminatory term to Korean Japanese. Those people were born in Japan, but many of them face oppression because they are 'ZAINICHI' as a different ethic. The main character Kim is one of those 'ZAINICHI' parson who lived amid prejudices and discrimination. One day he learns the 'Mobius loop'. Tracing what appears as the back soon becomes the front, which again returns to the back-that is 'Mobius loop'. this well resembles human life. While trying to crawl up from the back to the front. I illustrate the agony Kim experienced as a 'ZAINICHI' who was born in Japan