https://doujinblog.org/%e3%81%8b%e3%81%ad%e3%81%93%e3%81%a8%e3%81%97%e3%81%82%e3%81%8d-surrender-%e5%a5%b3%e3%81%ae%e3%82%b3%e3%82%a6%e3%83%95%e3%82%af/