This Dark Endeavor

Victor and Konrad are the twin brothers Frankenstein. They are nearly inseparable. Growing up, their lives are filled with imaginary adventures...until the day their adventures turn all too real. They stumble upon The Dark Library, and secret books of alchemy and ancient remedies are discovered. Father forbids that they ever enter the room again, but this only peaks Victor's curiosity more. When Konrad falls gravely ill, Victor is not be satisfied with the various doctors his parents have called...