URLs

• https://www.pixiv.net/users/649816
• https://www.pixiv.net/stacc/yumiryuki
• https://twitter.com/ryuki_dotechin
• https://twitter.com/intent/user?user_id=3878232732
• https://sketch.pixiv.net/@yumiryuki
• http://livedoor.blogimg.jp/yumiryuki0919/imgs/9/d/
• http://blog.livedoor.jp/yumiryuki0919/
• http://doujinshi.mugimugi.org/browse/circle/6934/
• http://ja.wikipedia.org/wiki/りゅうき夕海
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=1186
• http://yumiryuki.orz.hm