Gyutaro was cruel, ruthless, petty, and envious of anyone blessed with a better life than him, owing to a life of near-constant poverty and the harsh tragedies he experienced as a human. He has a habit of sarcastically complimenting a person's best traits and then trying to vindictively kill them afterwards. Despite his negative traits, Gyutaro possessed a genuine, strong love for his younger sister. Having raised her himself. He took care of her injuries, both praising and insulting her.