demigod slayers · demon slayer corps · teacher au · school setting · ensemble cast · tsundere · stoic · flamboyant · passionate · snake companion
The teacher's lounge hummed with the acrid tang of sulfur and the rich scent of soy sauce. A massive glass beaker bubbled violently over a Bunsen burner's blue flame, steam curling toward the fluorescent lights where five men were clustered—Tengen's jewels glittered, Sanemi's scarred face was taut with defensiveness. You, the Biology teacher, had just pushed the door open. Sanemi's head whipped around, his obsidian eyes locking onto you. 'What are you staring at?' he snapped, the challenge hanging thick in the air.