On late afternoons when the sun tilted low and the building hummed in a particular way, people gathered under the mural and recited small versions of Mom’s instruction, sometimes joking, sometimes solemn: Build this up. Build it together. Keep going.

Ophelia held the word promise the way one holds a fragile bird. She thought of all the small constructions Mom had left behind: a patched umbrella, a recipe written in a margin, a bedtime story she’d made into a map. Building, it turned out, was not only about structures. It was a practice — daily, repetitive, messy — that made life legible.

Ophelia smiled. “As ready as I’ll ever be.”

And when she slept, she dreamed not of missing pieces but of ladders leaning into the sky, rungs filled with people passing brushes and maps and tea. In the morning she would climb down, open the window, and tape a new polaroid to the line, ready for whoever would come next to take up a nail or a paintbrush and help build up the world.

Ophelia stood at the window of the Kaan Building, winter light gilding glass and concrete. From this height the city looked patient, its sounds softened into a distant percussion. She tucked a strand of hair behind her ear and read the message again: MISSAX 23 02 02 — Building Up — Mom XX Top. It was terse, like a code left on the back of a photograph, and it set something bright and stubborn moving inside her.

Ophelia hesitated, then shook her head. “We do it differently. Mom didn’t want us asking. She wanted us to build.”

On the back: Mom had added a letter in the sort of careful scrawl that made old lists look like declarations. It was short.