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About the robot, Jack, which often appears in the science fiction stories Simiz. He is a robot with a psyche, very similar to human, and once believed that he was man and can even consume food, unlike many other robots of that time. However, the cruel incident opened his eyes to him in the truth, and he decided to fulfill the tasks of hunting for heads on someone else's planet. This is where he meets Ruby, which becomes an innocent looking young woman and a beautiful, seductive woman at night ... She is a photose, a human tribe that feeds on other people to survive ...