Download E-Hentai archive as zip file
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From your user agent, looks like you're using Sogou Browser, and it's not in the compatible list. Maybe you should try some other mainstream browsers like Chrome or Firefox.
Anyway, as I've not heard that Sogou Browser supports user script, please provide more extra information to let me know what's up. Please press F12 and switch to Console tab and try what you did again, and if it shows error, copy all of them and paste them here.
something wrong
Uncaught TypeError: Illegal invocation at HTMLDivElement.eval (eval at d (eval at exec (:13:22)), :14386:37)