Okuyasu Nijimura is an impulsive and violent youth with a good heart nonetheless. Okuyasu has a childish and immature personality. Okuyasu is a very extroverted and impulsive man, acting by his own words "with his heart". He consistently shows his emotions, which are more extreme than the average individual. Okuyasu frequently acts out of impulses. Okuyasu is dimwitted and often relies on his friends for help.