URLs

• https://twitter.com/kotarou7500
• https://twitter.com/intent/user?user_id=4164776720
• http://blog.livedoor.jp/koutarou7500/
• http://pink.sakura.ne.jp/~koutarou/
• http://www.amazon.co.jp/こうたろう/e/B004LUTVTG/
• http://www.doujinshi.org/browse/author/7706/
• http://doujinshi.mugimugi.org/browse/author/7706/
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=5444