URLs

• https://www.pixiv.net/users/836779
• https://www.pixiv.net/stacc/diamondstar
• https://twitter.com/serendipity_415
• https://twitter.com/intent/user?user_id=84612404
• http://p.twipple.jp/user/serendipity_415
• http://twitpic.com/photos/serendipity_415
• http://yfrog.com/user/serendipity_415/photos