The bell in Classroom 3A rang twice, then stopped; only the hush of after-school chatter remained. Jun stood frozen by the doorway, clutching his backpack strap, eyes fixed on the open stall at the far end of the girls’ restroom. The door should have been closed. The fluorescent bulb overhead buzzed like a warning.

Behind the stall, something sighed. A childish hum threaded through the pipes—the same lullaby Jun’s mother had sung when he was small and afraid of thunder. Hanako moved without haste: hair spilling like ink over porcelain, small hands smoothing the air as though arranging an invisible audience. Her voice, when it came, was a tiny, wet sound that tugged at memory. “Play?”

He knocked three times. “Hanako,” he said, voice small in the echoing room.

He closed his eyes. The corridor of reflections hummed. M’s grip tightened, not cruel but clinical, as if ensuring a test subject didn’t fidget. Jun felt his memories shudder, like a line of dominos. He saw Maya’s doodled eyes fall away from his mind like inkblots rinsed in rain. A year of soccer practice evaporated. A single beaded thread—his father teaching him to tie a knot—snapped. For each memory M clipped, the room grew calmer, the edges sharper.

M drew closer, and the air changed: sharp, metallic, like a blade pulling at a stitch. “Memories leak,” she said. “You patch them with ritual. I prefer to terminate the stream.” She flicked her wrist and one of the reflection-doors opened. From it spilled a scene: a classroom, chairs overturned, a note smeared with something red. Jun’s stomach turned. That could have been his handwriting, his panic, his missed apologies. M’s eyes glinted. “Take away the remembering. Leave only the compliance.”

Hanako’s small hand found Jun’s. Her skin was the chill of a waterlogged photograph. “You will tell them,” she pleaded. “That’s how I stay.” Her other hand reached for his throat not to kill, but to anchor—an insistence on being known.

That night, Jun placed a folded note in his pocket; on the front, in shaky pen, he wrote: Remember Hanako. On the back, he wrote nothing. He did not remember why he had written Hanako’s name twice.