Sleazy Fork is available in English.
Extension for Manga OnlineViewer Fluid Mode + for 18+ sites, allowing double-page spread viewing for halved images. Sites: Fakku, HBrowse, doujin-moe, hentai2read, luscious, wondersluts,hentaimangaonline, exhentai/g.e-hentai, pururin, hentai4manga, doujinshihentai, hitomi, nhentai, hentaihere, 8muses, Tsumino etc.
< Feedback em Manga OnlineViewer Fluid Mode + Lewd Extender
Ty for report. Also good news! you can disable it. I will give the button a hotkey in next update of base script.
Exhentai and nhentai don't work with this. Pressed start button and nothing happened after 1 minute
SFW version works fine though.