In the world of Outem, humans have great potential and powers within them which they reveal through sheer willpower. This power has shown to be very advantageous as humanity easily conquered the world but there is no such thing as zero consequences. As humanity grew, more challenges and problems appeared.

Giles Ivor, a teacher in the Calloren academy, is rumored to be the strictest and most terrifying teacher as he teaches in the catastrophe class. The catastrophe class is the home of students with so much potential and talent that they can even overwhelm their seniors with enough practice. If there are such students here, what type of teacher can handle them?