Jimsan.
What do you think of the terms of use of 2ch?
It appears reproduction is permitted.
Display name field of the terms of use has been inconsistent.
Please return to the original state of the display name field.
http://info.2ch.net/kiyaku.html
http://blogimg.goo.ne.jp/user_image/3d/b7/0392d84ae984fcb3826a911973498374.jpg
extract the one clause.
> ・掲示板運営者は、投稿者に対して日本国内外において無償で非独占的に複製、公衆送信、頒布及び翻訳する権利を投稿者に許諾します。
google translate
> Bulletin board operators will license to the Contributor replication on a non-exclusive basis at no charge in Japan and abroad for the author, public transmission, rights to translate and distribute.