I'm trying to finish the volumes of an old manga that never got all the volumes online,i found it on a ebook reader from a specific company but it needs you to register to acess it,the problem is that i'm unable to take any pictures or videos even with some third party tools i've tried,they completely miss it,i could take pictures of each page individually but its over 10 volumes and i would have to scan the pages again so it would be a lot fo effort.
The program download the manga pages as jpgs but they seem to be encrypted somehow so i can't open them,i don't know if it would be hard to decrypt those files