You can edit almost every page by Creating an account. Otherwise, see the FAQ.
This page was kept on Wikipedia check : https://ja.wikipedia.org/wiki/A%C2%B9 %E3%83%9B%E3%83%A2%E3%83%88%E3%83%94%E3%83%BC%E7%90%86%E8%AB%96 https://ja.everybodywiki.com/A%C2%B9 %E3%83%9B%E3%83%A2%E3%83%88%E3%83%94%E3%83%BC%E7%90%86%E8%AB%96?action=history