The boy in the back yawned quietly.
"During the Paleozoic Era," she went on, "it is said that a malignant being—the Anti-Life Entity—summoned a portal to the Abyssal World. It infected the creatures of the land, sea, and sky, twisting them into abominations."
She turned. "But then came the Guardians—not knights in shining armor, but souls, transcendent and radiant, who descended to merge with humankind. Their essence became the spark of our evolution—the bloodlines that shaped civilization."
Her voice deepened as if telling an ancient myth.
"The Abyssal Portal shattered—but its poison lingered. From its ruin crawled horrors beyond imagination, spreading terror across the surface of the mortal realm."
"Argh, this history is so boring!" the same boy groaned under his breath.
A few students stifled giggles. The teacher turned sharply, eyes narrowing.
But instead of scolding him, she smiled faintly.
