Most image are different to book. For example, decensored, no text, no background, sample and character setting. Because the original image is no text, page number, decensored(few) and original size(big). 大部份圖片跟本子不同,是沒有對白原稿或無修正,為免被刪不能貼太多本子內的圖 所以全是P站、Twitter和blog的作品,要看全本可以自己搜
You can read the full version Doujinshi in e-hentai.