URLs

• https://www.pixiv.net/users/2277253
• https://www.pixiv.net/stacc/grgryh
• https://twitter.com/kosakasaka
• https://twitter.com/intent/user?user_id=110930243
• http://rk.jpn.org
• http://p.twipple.jp/user/kosakasaka
• http://twitpic.com/photos/kosakasaka