URLs

• https://www.pixiv.net/users/37191
• https://www.pixiv.net/stacc/murakumo1987
• https://twitter.com/4d_labo
• https://twitter.com/hiro_4den
• https://twitter.com/intent/user?user_id=91970195
• https://twitter.com/intent/user?user_id=1688458345
• https://sketch.pixiv.net/@murakumo1987
• http://twitpic.com/photos/hiro_4den
• http://yfrog.com/user/hiro_4den/photos