Well, it depends on which version of the manga you're referring to. In some continuations or alternate storylines, Hanako might not die. But in the main canon, unfortunately, Hanako does meet his end.
Hard to say exactly. It could be that Amano's work is featured on Manga Rock, or there could be some other form of collaboration or association. But without more info, it's hard to tell for sure.
A Hanako visual novel could be about various things. It might revolve around Hanako's personal growth, her experiences in a particular setting like a school or a small town. It could also be a love story where Hanako is the central figure, dealing with her feelings towards other characters. The visual elements would enhance the storytelling, with illustrations that bring the story to life.
Well, the Hanako ghost story mainly revolves around a spooky apparition named Hanako. She is typically associated with school restrooms, especially in the old, dilapidated ones. People believe that she is a spirit of a girl who met an unfortunate end in the school. Many kids in Japan grow up hearing about this story, and it adds an element of mystery and fear to school environments.