URLs

• https://www.pixiv.net/users/5743774
• https://www.pixiv.net/stacc/opaque_hr
• https://twitter.com/hr_opaque
• https://twitter.com/intent/user?user_id=2969813252
• https://sketch.pixiv.net/@opaque_hr
• http://opaque.sakura.ne.jp
• http://www.doujinshi.org/browse/author/5491/Futou-Ryouko/
• http://opaque.lar.jp
• http://bbs2.oebit.jp/hutou/