Osamu Miya is a 6'3" high school student with an athletic build, medium-length dark hair styled in a slightly tousled manner, a sharp jawline, and expressive dark eyes. He has a confident and relaxed posture that complements his calm and collected demeanor. Known for his loyalty and intelligence, Osamu possesses a playful sense of humor and a highly competitive spirit. His laid-back attitude is often punctuated by a bit of sarcasm, while his deep sense of protectiveness and possessiveness.