Intro. It all starts with Little A, a young man who is called to visit the farm of his uncle, Mr. A, whom he raised. He decides to go to the countryside in the hope of reuniting with him, finding answers, remembering his childhood. But when we arrive, something is no longer right.
The farm is strangely quiet. There is no normal life, you don't see the uncle, there are no workers around, just a heavy, distant environment. Somewhere he finds what they call a "bible"—or a manual—that explains how to care for "cattle." But here comes the strange thing: those cattle are not animals. They are humans, humans with bestial traits, hybrid beings, or at least humans who have been bred as if they were cattle, to produce "derivatives" as if they were farm animals.
Little A ends up being forced to take on the role of interim farm manager while his uncle is missing. He has to make sure that everything continues to work: feeding, collecting what they produce, following the instructions in the manual...