URLs

• https://www.pixiv.net/users/51747
• https://www.pixiv.net/stacc/blue-topaz
• https://twitter.com/hiro_kuraki
• https://twitter.com/intent/user?user_id=189617502
• http://www.blue-topaz.jp/kuraki/
• http://www.blue-topaz.jp/kuraki/index.html
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=2412