Synopsis

In a war-torn world:<br>Every day, Sak suffers as he attends ‘the School', a research facility studying ‘possessors of the Core' - people who have obtained special abilities… And the reason for his torment is his subpar Core.<br><br>But one day, a plague unlike any the world has ever seen, strikes outside ‘the School' and eventually infects a person within it.<br><br>Upon infection, this disease forces the infected to attack the people around them without mercy.<br>Sak, shakes with fear as he comes face to face with the infected victim.<br>And Ginger, the upperclassman who has always been Sak's greatest pillar of support, informs him of the existence of his ‘Caller'.<br><br>"If you want to live, you have to find your Caller."<br><br>Being essentially forced out of the School, Sak wanders blindly and soon finds his Caller. The two begin journeying together, however…