I don't know as I haven't read it. But they could be the bingo players.
Since we don't have details about 'the bingo game story', the main characters might be the regulars at the bingo hall. There could be an old lady who has been playing for years and is really good at the game. And perhaps a young man who is new to the bingo scene and is trying to learn the ropes. There could also be the bingo caller, who is an important part of the story as they are in charge of the game's progress.
I'm not sure as I haven't read the story, but they could be the bingo callers and the players. Maybe there's an old lady who is a regular at the bingo hall.
I don't know since I haven't read the story. But it could be a regular bingo player who has some special qualities that make him or her stand out.
I don't really know who the main characters are in the Bingo Love Story as I haven't read or heard much about it. But they could be two bingo enthusiasts, like an old man and an old woman who have been playing bingo for years.
I'm not sure who the main character is without reading the story. It could be an ordinary person who just wants to win the bingo game and through that journey becomes the 'king' in the story.
I don't know who the main characters are in 'bingo graphic novel' as I haven't read it. But it could have a character named Bingo as the protagonist.
In the 'bingo short story', there could be a diverse set of characters. There might be a character who is new to the world of bingo, feeling a bit nervous and out of place at first. There could be a character who is a bit of a bingo expert, always winning and giving tips to the others. And perhaps there is a character who doesn't really care about winning but just enjoys the social aspect of the bingo evenings, chatting with everyone and making new friends.
Without reading the 'Bingo Love Graphic Novel', it's impossible to accurately name the main characters. But typically, in a love story - based graphic novel, we could expect a protagonist and an antagonist in the context of the relationship. For example, there could be a character who is the object of love and another who creates obstacles to that love, or it could be more straightforward with two lovers as the main focus and their friends and family as secondary characters.
Well, Naruto is surely one of the main characters as the title implies it's centered around him. His friends like Sasuke and Sakura are likely to also be important characters, as they are usually involved in Naruto's adventures.
I'm not sure specifically as I don't know the exact 'the bingo game story'. But generally, it might be about the events and characters involved in a bingo game, like the excitement of the players, the rules of the game, and perhaps some interesting interactions during the game.
I don't know for sure, but it could be the person who is named the 'king' in the story.