Gu Xu travels through a world of global job changes, awakening a one-of-a-kind hidden class, "Calamity." Looking at the bizarrely styled class, he cannot help but wonder if he chose the wrong direction. His exclusive talent, "Calamity Growth," allows him to continuously increase his strength by provoking fear in others. While others toil and level up, he accumulates power by manufacturing deterrence. He summons the Crimson Bride, causing his entire class to tremble in shock. Through this, Gu Xu discovers that the stronger the emotional impact, the faster his own strength grows. Since then, this teenager endowed with special power embarks on a growth journey that shocks the entire world.