I had never encountered a medic so enthralled while collecting blood. Doctor Blackwell's uncontainable enthusiasm surged with every drop of my blood that fell into the test tube. It wasn’t just his keen interest that struck me—it was his madness. That madness was his charm. With every drop, he seemed entranced, as though savoring the world's finest perfume. Yet, deep down, my instincts whispered that his excitement stemmed more from a scientific thrill than a sinister obsession.

When he ...