Kou is cheerful, and direct and tends to jump into things headfirst without properly thinking them through. However, he has been shown to grow more mature. He is often misjudged as a bit of a delinquent or rude, but this is actually not the case. He is rash and loud but is also simultaneously very kind and caring. He makes a distinct effort to be polite. Kou has a strong sense of justice and he's open-minded. He's very loyal to his friends and easily gets flustered