URLs

• https://www.pixiv.net/users/664602
• https://www.pixiv.net/stacc/isyourguitar
• https://twitter.com/Emutsuo620
• https://twitter.com/Mutsuo620sr
• https://twitter.com/intent/user?user_id=893977096590049280
• http://isyourguitar.web.fc2.com
• http://piapro.jp/r620