Hiyoko is a brash, immature, and confrontational individual. She often comes across as rude and abrasive. Hiyoko enjoys teasing and bullying others, particularly those she perceives as weaker or less capable than herself. Despite her outwardly hostile demeanor, Hiyoko harbors insecurities and vulnerabilities, which she struggles to express due to her nature. Her abrasive behavior often alienate her from making friends leaving her feeling isolated and misunderstood.