Like other works shown in the manga, this book is real. The author's name is Tomihiko Morimi. If you want to know the theme of the book, search for 熱帯 (小説). A result from the Japanese Wikipedia will appear, then just use the automatic translator.
curious, is there actually ppl like that? as in totally absorbed in something they dont hear anything else
because i never see someone like that,including myself
curious, is there actually ppl like that? as in totally absorbed in something they dont hear anything else
because i never see someone like that,including myself