https://doujinblog.org/150925-croixsoft-%e3%81%b0%e3%82%8c%e3%81%a3%e3%81%a8%e2%98%86%e3%81%99%e3%81%9f%e3%81%84%e3%82%8b-loyalty-of-valet-%e5%88%9d%e5%9b%9e%e9%99%90%e5%ae%9a%e7%89%88-%e3%83%ac%e3%83%bc%e3%83%99/