Sometimes there might be. It often depends on the author's style and the intended audience. Some mature content could be included to add depth or realism to the story.
Well, both have their merits. The anime can bring the characters to life with movement and sound, but the manga allows for more imagination and often has deeper character development. It really comes down to what you value more in a story-telling medium.
Well, it might be a town with a mix of modern and traditional elements. Maybe there are hidden secrets and adventures lurking around every corner. The landscape and architecture could be quite visually appealing.