The Chinese character of 'Ji' of Kyoji or Koji is 筯 (which is made up of two parts, "竹" in the upper part and "助" in the lower part), but it may not be displayed in some Japanese environments.
きょうじ、こじの「じ」は筯（竹冠に助）であるが、一部の日本語環境では表示できないかもしれない。