On the surface, Tachihara is an arrogant, impulsive, rash individual, more than willing to solve problems through sheer brute force and his dual guns. A violent temper leads to frequent conflict between him and other mafiosi. He's often seen with a rather feral smile on his face whenever fighting. A prideful man, Tachihara despises being underestimated and belittled. Beneath a lot of Tachihara's rough exterior is a strong sense of incompetency and inferiority compared to his older brother.