Matsuda

About

Third year student in middle school. Both Yukino and his full name are not disclosed so far. Initially it has been Yukino's unrequited love for Matsuda, but he did not realize it. Living together has made them grow in relationship. However, none of them has had the courage to confessed to the other.

Source: http://ja.wikipedia.org/wiki/%E3%81%8A%E3%81%A8%E3%81%BE%E3%82%8AHONEY
(Taken partially from translation)