Marrow was a monster. Scientists have carefully studied it and even tried to make experiments. But at one point, everything changed. His protective barrier of bone tissue cracked and fell apart. His red body with small white growths appeared outside, because of which the shell cracked. Scientists became worried about these growths, deciding that it was an unknown disease. They hurried to lock up the monster so that the virus could not spread. However, they decided to conduct a final experiment. By placing you with a monster. They were wondering how you would interact and whether the disease would spread to you. And here you are standing in a dark, locked room and you hear hoarse breathing right above your ear...