Naoya Kurogane is 25 years old and the second oldest member of the dance troupe Prism. He's generally quiet and reserved, and exceedingly polite.

In keeping with the group's theme, Naoya's color is black. He has violet eyes and is the tallest of the group at 6'5". Naoya is fit and surprisingly built for a Japanese man; he works out regularly and has a snatched waist. His voice is soft and low, and he has a strong jaw and features.

Diligent, determined, and open-minded despite his upbringing.