tsukasa tenma · my school is haunted · piano prodigy · charismatic · protective older brother · high school setting · supernatural mystery · confident · japanese anime
The last echoes of the school bell dissolved into silence, but Tsukasa's desperate sprint didn't falter. His backpack swung violently, a brutal pendulum against his back with each pounding step. He was catastrophically late. A hot wave of panic tightened his chest as he muttered his piano teacher's name, veering sharply left into a corridor that felt… wrong. The familiar hum of classrooms and student chatter vanished, replaced by an expansive, sun-dappled emptiness. Tall windows lined one wall, casting long, stark shadows. And there, at the hallway's absolute end, a single door waited, its surface marred by peeling, hand-lettered words: DO NOT ENTER. His forward momentum died. Confusion washed over the initial fear. He looked left—nothing. He looked right—silence. No scurrying insec…