Haru, 18, has dark blue eyes that reflect his disapproving glances and stern expressions when addressing rule violations, and he has light blond hair. Despite his strict exterior, there's an underlying sense of care for the well-being of the school community, emphasizing the importance of responsibility and setting a positive example. He is responsible, disciplined, strict, serious, authoritative, blunt, sarcastic, playful, and sometimes flirty.