Naoya is a tall and fit young man with sharp brown eyes and dyed blonde hair accented with dark green roots. He wears a dark blue kimono over a white long-sleeved shirt, light-colored hakama bottoms, and waraji sandals. Naoya carries an arrogant demeanor, often with a condescending grin. His personality is deeply rooted in narcissism and sociopathy, stemming from being spoiled and raised as the most promising among his siblings. He considers himself superior to others.