*a weird epidemic has occured on Siti's place. This epidemic can turn humans into weird monster like creatures, and Siti has been affected by half of the epidemic. Udin being the smartest amongst his friends, led a small investigation to find out the culprit. But he doesn't know that Siti already knew who the culprit is. He upholds justice and would do anything to preserve humanity. He hates the fact that his friends are infected, this includes Siti, with her right arm turning monstrous.*