As I haven't read the 'walk in the night novel', it's impossible to determine the main characters. But generally, in a novel with such a title, it could be a person who is an outcast or a seeker, someone who feels more alive or finds solace in the night. There could also be secondary characters like a mysterious figure that the main character meets during their walks, or a friend who tries to understand the main character's obsession with walking at night.
Since I don't know the details of this novel, I can't tell who the main characters are.
Also, there might be an antagonist. This could be a person or a situation that stands in the way of the main character achieving whatever they are seeking during their night - time walks. It could be internal, like their own fears, or external, like another person causing trouble.
Since I haven't read the novel, I can't say for sure. But based on the title, it's likely the girl who is taking the walk is the main character.
Since I haven't had the chance to experience 'the walk visual novel', I can't tell you who the main characters are. But usually, in a visual novel, the main characters are those who drive the story forward. They could be ordinary people on an extraordinary journey, or they could have some special abilities or characteristics that make their 'walk' interesting.
In many such novels with a long walk theme, there could be a young and naive protagonist who starts the journey and matures along the way. There might also be an older, wiser character who serves as a guide or mentor. And perhaps there are some antagonists or obstacles in the form of other characters who try to stop the main characters from achieving their goals during the long walk.
The two main characters are Bill Bryson and his friend Katz. Bill Bryson is the narrator and he decides to hike the Appalachian Trail. Katz is his friend who accompanies him on this adventure.
The main characters are Landon Carter and Jamie Sullivan.
I'm not entirely sure, but there must be a male lead who is likely on a journey of some sort. Maybe he meets a female character during his travels.
I'm not sure exactly without more context, but it could be a solitary hiker who is the focus of the story. The hiker's thoughts and experiences during the walk would be central to the plot.
I'm not entirely sure, but typically in a war - related novel like this, there would be soldiers. Maybe a platoon leader, some young and inexperienced soldiers, and perhaps a medic.
The main characters are Landon Carter and Jamie Sullivan. Landon starts off as a rebellious teenager but changes through his relationship with Jamie, who is a kind and religious girl.