She let it out.

The note rang through the tiles, clear and impossibly pure, carrying through the walls and out the open bathroom window. It wasn't just loud—it was something. The kind of sound that made the air itself feel heavier, like the whole house was holding its breath.

Downstairs, a mug clattered against the kitchen counter. Her dad's footsteps stopped mid-stride.

Three blocks away, Percy Jackson froze on the sidewalk, a half-eaten blue jellybean slipping from his fingers. He blinked, tilted his head, and started walking faster—toward the sound.

And somewhere far above, beyond the clouds, beyond the sky, twelve thrones creaked as their occupants leaned forward.

The song ended. The water kept running.

Y/n's dad knocked twice on the bathroom door.