I don't know Japanese when I pass by, but I know that the author's ideas are very strong. Bingguo = ice cream =l Scream = Uncle Chi Brahma's cry = Uncle Chi Brahma was forced to be the undertaker of the consequences of the school incident, and she felt angry but helpless and sad ~ made her cry when she was a child.
As for the original Japanese novels, there should be. Find someone who knows Japanese and has read it to help you translate it ~