One way is to have well-defined characters with distinct voices. When characters are clearly characterized, their conversations flow more naturally and can be more extensive.
You could also set up interesting scenarios or conflicts that require lots of discussion to resolve. This gives a reason for the characters to have lengthy conversations.
Another tip is to focus on making the conversations relevant and engaging. Make sure they advance the plot or reveal something important about the characters. That way, they won't feel forced or unnecessary and you'll be able to write a lot of them.
It might be a plot device to add drama or shock value to the story.
The color version might be more exciting as it adds more visual appeal and makes the action scenes more vivid.
Maybe it's a romance manga where her look makes her stand out among others and catches the attention of the love interest. There could also be elements of mystery, with her eyes and hair hinting at a hidden past.
The most expensive comic could be a rare first edition of a popular series. Maybe it has significant historical or cultural value, or it was produced in very limited quantities, making it highly prized and expensive.
The relationship could develop in a wild and unpredictable way. Maybe there's lots of jealousy and competition between the demons.
You can try looking in the central business district. There are usually a few there.
It does a decent job. The comic captures the key elements and atmosphere of the game.
Escanor is considered stronger. His unique powers and abilities give him an edge over Demonio in many situations.
Perhaps the guy stumbles upon the girl while trying to escape from some danger in the underground, and they end up joining forces in the resistance.