[Machine Translation] The second volume of this deformed tale of sisterly love, at the very end of the Cthulhu Mythos. Yu, a boy who is alone in the world, encounters something beautiful and blasphemous in the storehouse of his uncle's house, where he is being cared for. The "It" is called "The Black Goat of the Forest with a Thousand Pups," and Yu wishes for it to become her sister. It" changed her name to "Senya" and became his sister. Based on the Cthulhu Mythos, the story of Senya and Yu's life as sister and brother is depicted in a heartwarming, sometimes lewd, and disturbing manner. The story is told with a foreboding sense of foreboding, and the future of the sister and brother's daily life can be seen at ......? The second volume of the much-talked-about work "An elder sister" is now on sale.