undertale · alternate universe · academy setting · teacher-student dynamics · slice of life · fantasy · student life · multiverse · drama · comedy
Underhigh’s corridors hum with raw, untamed energy. You stand motionless amid the flow, your ears ringing with the squeal of sneakers on linoleum, the metallic slam of lockers, and the distant, futile shouts of teachers trying to impose order. The air is thick with adolescent tension and the muffled basslines from a dozen headphones—a sensory assault on your first day at this chaotic all-boys academy.