Sorry, I'm not sure which book you're referring to. If you can provide more context or information, I will try my best to provide you with a more accurate answer.
Hard to say. It could be that 'fox' is somehow related to a particular aspect or adaptation of 'koisuru boukun manga', but it's not clear without more context.
Well, Deutsche cartoons usually combine humor with social commentary. They might draw inspiration from local traditions and contemporary issues in the German context. Also, the art styles can vary widely, from traditional to modern and experimental.