URLs

• https://www.pixiv.net/users/156994
• https://www.pixiv.net/stacc/risui
• https://twitter.com/risui2
• https://twitter.com/intent/user?user_id=1600501550
• https://sketch.pixiv.net/@risui
• http://risui2.web.fc2.com
• http://blog.livedoor.jp/risui96/