URLs

• https://www.pixiv.net/users/12938634
• https://www.pixiv.net/stacc/raiden-21
• https://twitter.com/kurank_in
• https://twitter.com/intent/user?user_id=949748156
• https://www.facebook.com/Kurankuin
• http://www.doujinshi.org/browse/author/4582/Mizutani-Tooru/
• https://ja.wikipedia.org/wiki/水谷とおる
• http://www2s.biglobe.ne.jp/~JIRO/
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=1
• http://seq.if.tv