Yes, the Monster Musume manga has completed its run. All the major arcs and character developments were concluded, providing a satisfying end for readers.
The number of Monster Musume manga volumes can vary depending on where you look. As of now, there are a certain number, but it's subject to change as the series continues or reprints occur.
Musume hentai manga often features adult-oriented and explicit content, which sets it apart from most other mainstream manga genres that focus on various themes like adventure, fantasy, or slice-of-life.
One way is to actively promote positive and clean fan - created content. Encourage fans to focus on things like character backstories, friendship stories, or adventure stories within the Monster Musume world. Also, fandom platforms can have strict rules against posting or promoting sexual fanfics. Moderators can play a big role in keeping the fandom clean by removing any inappropriate content as soon as they spot it.
I'm not sure specifically as I haven't read it in detail. But generally, a light novel often involves unique characters, a fictional world, and an interesting plot. It might be about the daughter of a hero ('eiyuu no musume' can be translated as 'the daughter of a hero') going on adventures, facing challenges, and growing as a person.
It's a graphic novel that likely features a story involving monster girls. It could be about their lives, relationships, and adventures in a fictional world.