Iharra Yunoki

          "I'll protect you 'till the end." Yunoki is one of the main character in Koi no Uta. He is always seen with Kou and Sakura.

Trivia

 * Yunoki is not mangaka's original character. He was created by the mangaka's friend even before Koi no Uta exist.
 * Yunoki's nickname is Yun, given by Sora.