[Machine Translation] The Mourning God of Modern Kaiju! What is the Book Princess? [This is a story of a small friendship and parting over a number of strange occurrences...]An aspiring novelist, Sumireko Ogawa, an unskilled novelist, Ren Kakano, a childish-faced, thread-eyed demon boy, and his sister, Otoko, a black-haired girl, take on the "strange occurrences" of modern Japan! The story is told through the eyes of Ren Kadashino, an evil boy with a childish face and stringy eyes, and his younger sister, Otto, a black-haired girl! The god of mourning in the digital age is here! What is the mysterious Princess of Books? A black cat messenger has arrived! What is required is occult knowledge and physical strength! What awaits them as they solve the many mysteries and urban legends that abound in this town? ......