Script to switch recommended works on pixiv to show only R-18 works

This is a "Script to switch recommended works on pixiv to show only R-18 works".
It allows you to display only R-18 works in the recommended works at the bottom of the artwork page.

*If the work you are watching is for all ages, R-18 works will not be shown in the recommendations.
So if you toggle the display with this Script, the recommended works will not be displayed at all.