URLs

• https://www.pixiv.net/users/4353502
• https://www.pixiv.net/stacc/usaf5081
• https://sketch.pixiv.net/@usaf5081
• https://www.dlsite.com/pro/fsr/=/keyword_creater/"川合正起"
• http://doujinshi.mugimugi.org/browse/author/8712/Kawai-Masaki/
• http://ja.wikipedia.org/wiki/川合正起
• https://ameblo.jp/sahomasaki
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=351
• http://image.space.rakuten.co.jp/lg01/71/0000168071/29/
• http://plaza.rakuten.co.jp/img/user/66/49/1926649/
• http://plaza.rakuten.co.jp/usafroom/
• http://plaza.rakuten.co.jp/usafroom/diary/
• https://twitter.com/sahomasaki
• https://twitter.com/intent/user?user_id=1073595672