Since it's a treasure - related visual novel, there might be a character who is an expert in ancient artifacts. Another could be a cunning thief who has their own reasons for going after Killigan's treasure. There may also be a wise old mentor type of character who provides guidance to the others on their quest.
I'm not sure as I haven't played it, but perhaps there could be a brave adventurer as one of the main characters.
We can only speculate. There could be a young and eager protagonist who stumbles upon the mystery of Killigan's treasure. There might also be a group of sidekicks, each with their own unique skills. For example, one could be strong and good at combat, another could be intelligent and able to solve puzzles related to finding the treasure. And there could be an antagonist, like a rival treasure hunter who will stop at nothing to get the treasure for themselves.
It could be about a treasure hunt. Maybe it follows the adventures of characters as they search for Killigan's treasure. It might involve mystery, exploration and encounters with various challenges along the way.
I don't know for sure as I haven't played it. But usually, there would be a protagonist who drives the story forward in the search for the treasure.
The main characters could be a fearless adventurer who has a knack for solving puzzles and finding clues. There might also be a wise old mentor figure who provides valuable advice along the way.
I have no specific information about the 'a3 visual novel' characters. However, in many visual novels, there are often diverse characters. There could be a young hero or heroine as the main character. Maybe there are some mysterious figures that are part of the 'a3' concept. They could be people with special abilities or knowledge that the main character has to interact with, either as allies or antagonists.
I don't have enough information to determine who the main characters in '707 visual novel' are. It could have a diverse cast of characters such as a brave hero, a cunning villain, and some interesting side characters.
Since I don't have specific information about this '999 visual novel', I can't tell you exactly who the main characters are. But usually in a visual novel, there are protagonists who drive the story forward, and there might be supporting characters like friends, family members, or antagonists who create conflict.
Since we don't know the details of '86 visual novel', we can't say for sure who the main characters are. They could be ordinary people living in a fictional world, or they could be heroes with special abilities. It all depends on the nature of the story which we don't know yet.
Since it's a story about treasure in a lake, there might be a young and curious character, like a teenager. They could be the one to initiate the search. And there may be an old hermit who has some knowledge about the treasure's origin but is reluctant to share it at first. There could also be some villains who want to steal the treasure from the protagonists.
I don't know for sure as I haven't read it. But usually in a visual novel, there are protagonists and antagonists. The main characters could be a young hero or heroine trying to achieve a certain goal, like saving their town or finding a lost treasure.
In the 'akira visual novel', the main character could be Akira, who might be a young and ambitious individual. There could be other important characters such as a best friend who is always by Akira's side, providing comic relief at times and moral support at others. And perhaps there's a wise old man or woman in the story who imparts important knowledge to Akira. There could also be a villainous character whose actions drive the conflict in the story, making Akira's journey more challenging and interesting.