Naoto Aoki

Оригінальне ім’я: 青木直人

Naoto is Shou's best friend and knew Shou before he moved to Yuusei academy and is also in the kendo club with Shou. He is later revealed as a black-winged; the royal white-winged's enemy. For this, Shou's feelings are badly hurt for losing his best friend. (from Wikipedia)