Sleazy Fork is available in English.
Loads manga chapter into one page in a long strip format, supports switching chapters and works for a variety of sites, minimal script with no dependencies, easy to implement new sites, loads quickly and works on mobile devices through bookmarklet
< Feedback on Manga Loader NSFW (unmaintained)
Fixed hentaihere in the latest version, also added chapter switching and stats.
https://greasyfork.org/en/scripts/12657-manga-loader-nsfw/diff?v1=87008&v2=84839
Added luscious.net to the pending list
script not working on this site.
http://www.hentaihere.com/
also, add this site on the script.
https://luscious.net/c/hentai_manga/
https://luscious.net/c/incest_manga