Some anime streaming services may also have tie - ins with novel publishers. They might offer a free anime novel as part of a special promotion or for subscribing to their premium service. For example, Crunchyroll has in the past had partnerships that included free digital content related to anime, which could potentially include novels.
Yes, some official anime - related platforms may offer freebies. For instance, the official website of a particular anime series might release a short - form anime novel for promotional purposes. These are usually reliable sources as they are directly from the producers or associated with the official franchise.
Goodreads can be a place to start. While not all the novels on it are free, there are often giveaways and users may discuss and share information about free anime novels. You can also join groups on Goodreads that are focused on anime literature to get more tips on where to find free ones.