The alarm at the Konoha Ninja Academy sounded at 2:07 that afternoon.
It wasn't an enemy attack alarm-it was an emergency broadcast from the medical team. It sounded once over the school's internal channel before cutting off, clean and abrupt, as if someone had severed it at the source. Sakura was on outpatient duty at the affiliated hospital, stitching a knife wound on an Anbu jonin's shoulder when her terminal vibrated. Her needle kept moving as she opened the message with her other hand:
"Ninja Academy · underground archive levels · abnormal frequency readings. Area sealed. Report immediately. -Medical Team · Ibiki Morino (signed on behalf)"
She finished the last stitch, tied the knot, cut the thread, and turned to leave. On her way out, she grabbed three things: the backboard data terminal, a real-time backup database of the entire medical team's vital signs and chakra pathway maps; a set of neural probes for measuring memory-layer erosion; and the Steel Ruler she had used for three years, wrapped in insulating tape. It wasn't a weapon. It was a habit. Without something in her hand, she couldn't settle her mind.
By the time she reached the school gates, three security cordons were already in place. Ibiki Morino stood on the entrance steps, his expression darker than his Anbu uniform.
"Two-oh-seven." He spoke quickly, with the clipped speed of an Anbu briefing. "A low-frequency pulse came from the underground archives. Its waveform shares an origin with the Silence-Eating Beast's Silence Domain, but it isn't identical-it doesn't erase sound. It erases 'knowing' itself. The affected area is currently limited to basement levels one through three. Students below fourth year have been evacuated to the schoolyard. But-"
He stepped aside, clearing the doorway.
Sakura saw it.
It wasn't chaos. It was silence. An absolute,