In the 'deku texting story', Deku is the central figure. However, considering his world in My Hero Academia, other characters who could play major roles in the texting story are numerous. His friends from Class 1 - A would be prime candidates. They are constantly interacting with Deku in the original series, so it makes sense for them to be in the texting story. Additionally, any heroes or sidekicks that Deku looks up to or works with might also be main characters. Their wisdom and experience could be shared through texting, and they could offer guidance to Deku during his journey to become a great hero.
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.
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 OC could be an artist who is commissioned to paint portraits of the monster girls. Through this process, he gets to know their personalities and stories. This could lead to him becoming a sort of advocate for them in the human world. Another plot could be that the OC is a delivery person who always delivers to a monster girl - only establishment. He becomes friends with the regulars and gets involved in their community. A different idea is that the OC is a gardener and the monster girls' habitat is being damaged. He uses his skills to restore their environment and in the process, forms a deep bond with them.
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.
Adventure is a major theme. Crossing over into new worlds means new landscapes to explore, new enemies to face, and new treasures to find. It's all about the journey and how the monster musume characters grow during these adventures. The crossovers open up a whole new realm of possibilities for exciting adventures that wouldn't be possible within their original world.
Monster Musume is a franchise with various characters. However, 'fanfic' that involves sex is inappropriate. Such content often goes against ethical and moral standards. It objectifies the characters and can make the fandom an uncomfortable place. We should focus on positive aspects like the story, character development, and the unique world - building of Monster Musume rather than such improper fan - created content.