URLs

• https://www.pixiv.net/users/468099
• https://www.pixiv.net/stacc/19641962
• https://twitter.com/BK1964
• https://twitter.com/intent/user?user_id=140662717
• https://seiga.nicovideo.jp/user/illust/1137810
• https://www.nicovideo.jp/user/1137810
• https://sketch.pixiv.net/@19641962
• http://www.stickam.jp/profile/bk1964
• http://twitpic.com/photos/BK1964
• http://yfrog.com/user/BK1964/photos