Our detectives are back with the following intel on this WordPress site
The site is using the メシオプレス03 theme by MN .
We could identify 3 plugins (there might be more) - All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic , WordPress Popular Posts and YARPP – Yet Another Related Posts Plugin
The original WordPress SEO plugin. Improve your WordPress SEO rankings and traffic with our comprehensive SEO tools and smart SEO optimizations.