I'm not sure specifically what a particular 'circus visual novel' is about as there could be many with that name. Generally, it might be about stories set in a circus environment, perhaps involving the lives of circus performers, their relationships, and the unique happenings within the circus world.
Well, without more specific information about a particular 'arena circus visual novel', it's hard to say exactly. But it's likely to feature circus - related themes. There could be a story about a young performer trying to make it big in the arena - circus. It might have a plot full of mystery, like a disappearance of a valuable circus item. And of course, the visual novel format would present all these elements in an engaging, often illustrated way with text that allows readers to immerse themselves in the circus - arena world.
The main characters in a 'circus visual novel' could include the magician, who is always creating illusions and has a mysterious past. There might be a contortionist, whose flexibility and unique skills are a big part of the circus show. Additionally, there could be a character who is new to the circus, perhaps a young orphan who finds a family among the circus performers. This new character could be the central figure through which we learn about the rest of the circus and its inhabitants.
I'm not aware of any extremely popular 'arena circus visual novel' titles specifically. There are so many visual novels out there that it's possible one exists but hasn't gained mainstream popularity.
I'm not entirely sure as it's not a very well - known mainstream title. It might be a visual novel centered around a family circus, perhaps telling stories of the characters in the circus, their relationships, and the adventures they have within the circus environment.
There is also 'The Mysterious Circus VN'. This visual novel might include elements such as magic shows within the circus plot. It could have different routes for players to explore, depending on the choices they make regarding the characters, like befriending a trapeze artist or a clown. This adds replayability to the game.
Circus visual novels also tend to have different types of interactions. In a normal visual novel, interactions might be mainly social or romantic. But in a circus visual novel, interactions could involve learning circus skills from characters, or participating in circus shows within the game world. The atmosphere created is one of spectacle and wonder, which is quite different from the more somber or ordinary settings in many other visual novels.