The DEMO version only includes 10 pages:
http://da-on.kr
http://da-on.kr/index_mid-home.html
http://da-on.kr/index_mid-greeting.html
http://da-on.kr/index_mid-introduce.html
http://da-on.kr/index_mid-manager.html
http://da-on.kr/index_mid-what_we_do.html
http://da-on.kr/index_mid-programs.html
http://da-on.kr/index_mid-payment2019.html
http://da-on.kr/index_mid-reserving.html
http://da-on.kr/index_mid-paying.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://www6.waybackmachinedownloader.com/website-downloader-online/scrape-all-files/ to buy a fully functioning site.
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