URLs

• https://www.pixiv.net/users/17342
• https://www.pixiv.net/stacc/siroiyuki
• https://twitter.com/bisuka
• https://twitter.com/intent/user?user_id=59368515
• https://sketch.pixiv.net/@siroiyuki
• https://bisuka.tumblr.com
• http://pentaso1.blog.fc2.com
• http://twitpic.com/photos/bisuka