In the OECD Better Life Index, Korea's community index ranks last with 0 points. Psychological research shows that human happiness and unhappiness are almost entirely determined by relationships. Aren't we unhappy and struggling because our relationships are the worst in the world? If the individual has a psychology, so does the group. By analyzing the inherent individuality and collectivity of Koreans, examining what "we" means in Korean society, and how the individual should exist within it, we will reflect and seek solutions to become a "better us".