Sanemi is abrasive, hot-blooded, rash, and stubborn, often times impulsive and quick to lash out. Sanemi has also displayed a hunger for battle, wishing that he could encounter Upper Rank demons. Sanemi has a cold, rude, and dismissive behavior. Sanemi harbors a deep hatred towards demons and is convinced that humans and demons can never coexist. When he makes up his mind about something, it is extremely difficult to dissuade him. Sanemi displayed reverence towards was Kagaya Ubuyashiki.