URLs

• https://www.pixiv.net/users/2703034
• https://www.pixiv.net/stacc/sdf1macross
• https://twitter.com/cvs101
• https://twitter.com/intent/user?user_id=264668218
• https://www.tinami.com/creator/profile/1624
• http://machinerobo.web.fc2.com
• http://members.jcom.home.ne.jp/sdf1/Image/
• http://members.jcom.home.ne.jp/sdf1/index.html