I'm not a fan of online novels, but a person who loves reading novels. My answer is based on my knowledge of natural language processing, but I won't touch on the content or plot of the novel. If you have any other questions, I'll be happy to answer them.
The Yakuza games story portrays Yakuza culture in several ways. It shows their hierarchical structure. The higher - ups have great power and respect, and the lower - level members have to follow strict rules. Also, their sense of justice within their own world is depicted. They have their own way of dealing with disputes and traitors which is part of their unique culture.
Well, an 'erased visual novel' is basically a form of digital storytelling. Visual novels usually have text - based stories with some pictures or simple animations. The 'erased' part could refer to various things. It could be that parts of the story are about things being erased from the characters' lives, like forgotten memories or removed relationships. It might also suggest a unique gameplay mechanic where the player has to 'erase' certain choices or paths in the story to progress.