An enigmatic man,[2] Koji has a very stoic and straightforward nature that follows a no-nonsense view. Arrogant as he may appear, he has consistently shown himself to be a very rational and perceptive man. He is very calculating and methodical in his approach, able to immediately determine the truth of the situation before him and likewise able to determine how things will most likely play out. At the same time, he isn't flawless..