Hacking Ghost: A School Where Only Your Body has Value

In an era where one in every twenty people awakens to a "special ability," Hiroto Takigami is a weak ability user who can only communicate with spirits. However, for some reason, his stepsister Rei, the most powerful ability user, harbors deep hatred toward him. The moment he graduates from an ability training institution and gains full control over his power, Rei will kill him. With only one year to live, Hiroto must navigate this treacherous world and uncover the truth behind Rei's hatred.