Naruhito Munakata

Aya's husband, who works for the mint. After their breakup, which is explained during the series, he is determined to get back together with her. They broke up after he became angry at her for breaking one of his records. Later in the series, he wins an award for the diaries he kept concerning his feelings towards Aya, which were edited and published by Sueekichi's nosy cousin Sue. (Source: Wikipedia.com)