I'm not a fan of web novels, but I can provide you with some information about anime, system genre, and infinite novels. The information of anime + system genre + unlimited novel with more than 1 million words was relatively broad and could involve many different works and styles. If you can provide more specific information or the title of the work, I can provide you with a more detailed answer. At the same time, infinite novels were usually based on science fiction or fantasy elements, through some mysterious settings and infinite possibilities to unfold a thrilling story. The anime and system genre, on the other hand, used fictional worlds and characters as the foundation to display a narrative style that was different from traditional novels through some unique storylines and character settings. If you have a specific work or genre that you need to answer, please feel free to tell me and I will do my best to help you.