The DEMO version only includes 4 pages:
http://seattle-gakusei.com
http://seattle-gakusei.com/ss4wbe/2.9.5/quick-search.php-m-qs-k-_l-en-US-m-qs-k-Presentedby-_ext_iframe.html
http://seattle-gakusei.com/ss4wbe/2.9.5/quick-search.php-m-qs-k-_l-en-US-m-qs-k-YouTuberJJコンビ_ext_iframe.html
http://seattle-gakusei.com/files/表取締役を務める。_ext_iframe_7gr27pau24p3gxn2ycagsh.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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