URLs

• https://www.pixiv.net/users/3409
• https://www.pixiv.net/stacc/billion
• https://twitter.com/kypo
• https://twitter.com/intent/user?user_id=14508178
• https://sketch.pixiv.net/@billion
• http://mixi.jp/show_friend.pl?id=530152
• http://billion.michikusa.jp
• http://twitpic.com/photos/kypo
• http://yfrog.com/user/kypo/photos