海棠书屋, also referred to as 新御宅屋 and 御书屋, is an online fiction-reading website for readers who enjoy serialized and completed web novels. The site says it collects popular titles and provides free access to recent chapters. Its catalogue spans genres including fantasy, urban fiction, martial arts, romance, science fiction, games, and contemporary stories, with both original works and fan fiction represented.

Readers can browse by category, explore rankings and editor or site recommendations, and check recently updated, completed, and newly added books. Popularity lists highlight titles based on reading interest, monthly or weekly trends, and user collections. Book listings commonly show the title, author, genre, and chapter or update information, helping visitors discover stories and follow ongoing series.

The website also offers account registration and login, favorites, reading-history access, and convenient site settings. With frequent updates and a broad selection of free fiction, 海棠书屋 presents itself as a resource for Chinese-language web-novel fans seeking new stories and continuing chapters