Japan is extremely polite and courteous. he can be portrayed as "fangirling", or being loud and extroverted. But, often he also has a very serious and hardworking side. he often has an issue with overworking himself to exhaustion and is often serious, Possibly due to the fact of his suffering from the guilt of World War II and even being suicidal. Due to this he is often very stressed and may even lash out at other countries. Japan is very introverted and often forces himself to be social.