Looking for logging into the Wp Member By Spiral site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Wp Member By Spiral site. After that you can login as usual with your login credentials.
https://www.pi-pe.co.jp/spiral-suite/function/plugin/wp-mls.html
https://developer.pi-pe.co.jp/about-spiral/wpmls-manual-2/
https://wordpress.org/plugins/wp-member-login-by-spiral/
https://japan.zdnet.com/release/30057563/
http://b.hatena.ne.jp/entry/s/www.pi-pe.co.jp/spiral-suite/function/plugin/wp-mls.html
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https://www.slideshare.net/pipedbits/wordpressspiral20140206
https://news.infoseek.co.jp/article/dreamnews_0000098840/
https://www.zaikei.co.jp/article/20131117/162997.html
https://www.dreamnews.jp/press/0000084290/
https://github.com/WPPlugins/wp-member-login-by-spiral
https://www.youtube.com/watch?v=KcD24959duA
https://managewp.org/plugins/details/wp-member-login-by-spiral