URLs

• https://www.pixiv.net/users/17160
• https://www.pixiv.net/stacc/ryuusei
• https://twitter.com/hadukiryuusei
• https://twitter.com/intent/user?user_id=142267212
• https://www.tinami.com/creator/profile/24820
• http://ryuuseinokakurega.blog.fc2.com
• http://mixi.jp/show_profile.pl?id=4947363
• http://mn-kakurega.com
• http://twitpic.com/photos/hadukiryuusei
• http://yfrog.com/user/hadukiryuusei/photos