Imagine waking up with an insatiable thirst and an aversion to sunlight, only to realize you embody the very definition of a creature unknown to this world. In Carrot On Weighing Scale's *The First Vampire*, Ke Lin finds himself in this exact predicament after an unexpected transmigration. He's immortal, craves blood, and shies away from the sun's harsh rays… yet, disturbingly, no one has ever heard of a vampire. Is he truly the first? With no ancestral guidance or helpful system interface, Ke Lin embarks on a journey of self-discovery, turning himself into a living experiment to understand the extent, and limits, of his newfound vampiric abilities. Sunlight weakens him, ordinary food is useless, and vital organs are no longer so vital. He meticulously logs every change, every reaction, pushing the boundaries of his strange new existence. But his research takes a dangerous turn when someone decides to introduce holy water into the equation! Who is experimenting on the experiment, and what are their motives? *The First Vampire* blends dark fantasy with a compelling mystery, offering a unique twist on the classic vampire mythos. It's a tale of adaptation, survival, and the terrifying beauty of being utterly, irrevocably unique. If you enjoy stories with a blend of dark humor, self-experimentation, and supernatural intrigue, then sink your teeth into this novel.